PSR J1723-2837 Timing

The timing results and a discussion of the companion star can be found in "PSR J1723-2837: An Eclipsing Binary Radio Millisecond Pulsar" by F. Crawford et al., Astrophysical Journal, 776, 20 (2013).

Observing Sessions

Note: There are lots of Jodrell observations/TOAs not listed here (commencing at MJD 55120).

Date Start Time Telescope Frequency Backend Obs Length File Notes
2001/03/05 51973.7164 Parkes 1374 MHz filterbank 2100 sec (35.0 min) PM0137_038_11.pkmb strong detection
2003/07/02 52822.3966 Parkes 1374 MHz filterbank 360 sec (6.0 min) PT0176_090.pkmb weak detection?
2003/07/03 52823.5352 Parkes 1390 MHz filterbank 720 sec (12.0 min) PT0176_139.pkmb no detection
2003/07/04 52824.5808 Parkes 1390 MHz filterbank 1800 sec (30.0 min) PT0178_030.pkmb no detection
2003/08/06 52857.2941 Parkes 1374 MHz filterbank 360 sec (6.0 min) PT0183_004.pkmb no detection
2003/08/08 52859.2572 Parkes 1374 MHz filterbank 360 sec (6.0 min) PT0183_046.pkmb no detection
2003/08/12 52863.5880 Parkes 1374 MHz filterbank 360 sec (6.0 min) PT0183_270.pkmb no detection
2003/12/08 52981.1847 Parkes 648 MHz filterbank 1336 sec (22.3 min) PT0190_025.pkmb no detection
2004/02/14 53049.8480 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0198_017.pkmb no detection
2004/02/20 53055.8053 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0201_069.pkmb weak detection
2004/02/29 53063.9731 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0204_047.pkmb no detection
2004/03/08 53072.8135 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0206_047.pkmb no detection
2004/03/08 53072.8846 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0206_051.pkmb no detection
2004/03/09 53072.9586 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0206_059.pkmb no detection
2004/03/09 53073.0255 Parkes 1390 MHz filterbank 1257 sec (20.9 min) PT0206_066.pkmb no detection
2004/03/11 53075.7609 Parkes 648 MHz filterbank 1800 sec (30.0 min) PT0208_0612.fil no detection
2004/03/11 53075.7609 Parkes 3030 MHz filterbank 1800 sec (30.0 min) PT0208_0611.fil no detection
2004/03/13 53077.6424 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0210_008.pkmb no detection
2004/05/26 53151.5395 Parkes 1390 MHz filterbank 2100 sec (35.0 min) PT0218_037.pkmb no detection
2004/06/27 53183.4412 Parkes 1518 MHz filterbank 2025 sec (33.7 min) PT0221_058.pkmb no detection
2004/07/04 53190.6648 Parkes 1518 MHz filterbank 2000 sec (33.3 min) PT0223_059.pkmb detection
2004/07/06 53192.6434 Parkes 1518 MHz filterbank 2000 sec (33.3 min) PT0224_028.pkmb no detection
2004/07/06 53194.5863 Parkes 1518 MHz filterbank 2000 sec (33.3 min) PT0225_011.pkmb no detection
2004/08/04 53221.3504 Parkes 1518 MHz filterbank 2000 sec (33.3 min) PT0227_015.pkmb strong detection
2004/08/23 53240.2918 Parkes 1518 MHz filterbank 2000 sec (33.3 min) PT0228_135.pkmb weak detection
2004/09/30 53278.1934 Parkes 1374 MHz filterbank 2000 sec (33.3 min) PT0232_077.pkmb no detection
2009/06/06 54988.6935 Parkes 1374 MHz filterbank 3600 sec (1.0 hr) PT0315_0371.fil no detection
2009/06/06 54988.6935 Parkes 1382 MHz BPSR 630 sec (10.5 min) 2009-06-06-07:58:32.fil no detection
2009/06/23 55005.2246 GBT 820 MHz GUPPI 11953 sec (3.3 hr) guppi_55005_1723-28_0010_[0001,0223].fits no detection
2009/07/12 55024.1875 GBT 350 MHz GUPPI 2287 sec (38.1 min) guppi_55024_1723-28_0002_[0001,0015].fits no detection
2009/07/15 55027.2012 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_0_0001_[0001,0004].fits weak detection?
2009/07/15 55027.2254 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_0_0002_[0001,0004].fits no detection
2009/07/15 55027.2048 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_1_0001_[0001,0004].fits no detection
2009/07/15 55027.2280 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_1_0003_[0001,0004].fits no detection
2009/07/15 55027.2444 GBT 2000 MHz GUPPI 483 sec (8.1 min) guppi_55027_J1723-28_1_0004_[0001,0018].fits no detection
2009/07/15 55027.2079 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_2_0001_[0001,0004].fits no detection
2009/07/15 55027.2306 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_2_0003_[0001,0004].fits no detection
2009/07/15 55027.2108 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_3_0001_[0001,0004].fits no detection
2009/07/15 55027.2333 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_3_0003_[0001,0004].fits no detection
2009/07/15 55027.2137 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_4_0001_[0001,0004].fits no detection
2009/07/15 55027.2358 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_4_0003_[0001,0004].fits no detection
2009/07/15 55027.2174 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_5_0001_[0001,0004].fits no detection
2009/07/15 55027.2383 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_5_0003_[0001,0004].fits no detection
2009/07/15 55027.2217 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_6_0001_[0001,0004].fits no detection
2009/07/15 55027.2413 GBT 2000 MHz GUPPI 180 sec (3.0 min) guppi_55027_J1723-28_6_0003_[0001,0004].fits no detection
2009/09/02 55076.9765 GBT 350 MHz GUPPI 10984 sec (3.1 hr) guppi_55076_1723-28_0002_[0001,0018].fits no detection
2009/09/27 55101.8705 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_0_0002_[0001,0006].fits detection
2009/09/27 55101.8924 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_1_0003_[0001,0006].fits strong detection
2009/09/27 55101.9137 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_2_0004_[0001,0006].fits no detection
2009/09/27 55101.9350 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_3_0005_[0001,0006].fits no detection
2009/09/27 55101.9563 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_4_0006_[0001,0006].fits no detection
2009/09/27 55101.9777 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_5_0007_[0001,0006].fits detection
2009/09/27 55101.9990 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55101_J1723-28_6_0008_[0001,0006].fits strong detection
2009/09/27 55102.0204 GBT 2000 MHz GUPPI 1800 sec (30 min) guppi_55102_J1723-28_0_0009_[0001,0006].fits strong detection
2009/10/13 55117.9875 140ft 1200 MHz WUPPI 738 sec (12.3 min) guppi_55117_PSR1723-28_0196_[0001,0022].fits no detection
2009/10/14 55118.0460 140ft 1200 MHz WUPPI 1544 sec (25.7 min) guppi_55118_PSR1723-28_0197_[0001,0046].fits no detection
2009/10/15 55119.7465 140ft 1200 MHz WUPPI 1275 sec (21.2 min) guppi_55119_PSR1723-28_0201_[0001,0038].fits no detection
2009/10/17 55121.7328 140ft 1200 MHz WUPPI 8154 sec (2.3 hr) guppi_55121_PSR1723-28_0203_[0001,0243].fits no detection
2009/10/18 55122.7987 140ft 1200 MHz WUPPI 8187 sec (2.3 hr) guppi_55122_PSR1723-28_0208_[0001,0244].fits no detection
2009/10/21 55125.6843 140ft 1200 MHz WUPPI 9697 sec (2.7 hr) guppi_55125_PSR1723-28_0209_[0001,0289].fits no detection
2009/10/24 55128.6882 140ft 1200 MHz WUPPI 9295 sec (2.6 hr) guppi_55128_PSR1723-28_0216_[0001,0277].fits no detection
2009/10/29 55133.8745 140ft 1200 MHz WUPPI 6543 sec (1.8 hr) wuppi_55133_PSR1723-28_270_[0001,0195].fits no detection
2009/10/29 55133.9502 140ft 1200 MHz WUPPI 6543 sec (1.8 hr) wuppi_55133_PSR1723-28_270_[0196,0390].fits no detection
2009/11/03 55138.9239 140ft 1200 MHz WUPPI 8991 sec (2.5 hr) guppi_55138_PSR1723-28_0289_[0001,0268].fits no detection
2009/11/07 55142.6806 140ft 1200 MHz WUPPI 10033 sec (2.8 hr) guppi_55142_PSR1723-28_0294_[0001,0299].fits no detection
2009/11/07 55142.7967 140ft 1200 MHz WUPPI 4367 sec (1.2 hr) guppi_55142_PSR1723-28_0294_[0300,0430].fits no detection
2009/11/08 55143.7059 140ft 1200 MHz WUPPI 10033 sec (2.8 hr) guppi_55143_PSR1723-28_0295_[0001,0299].fits no detection
2009/11/08 55143.8220 140ft 1200 MHz WUPPI 10066 sec (2.8 hr) guppi_55143_PSR1723-28_0295_[0300,0599].fits no detection
2009/11/08 55143.9385 140ft 1200 MHz WUPPI 1443 sec (24 min) guppi_55143_PSR1723-28_0295_[0600,0642].fits no detection
2009/11/22 55157.7374 140ft 1200 MHz WUPPI 10066 sec (2.8 hr) guppi_55157_PSR1723-28_0313_[0001,0300].fits no detection
2009/11/25 55160.8609 140ft 1200 MHz WUPPI 7000 sec (1.9 hr) wuppi_55160_PSR1723-28_345_[0001,0209].fits no detection
2009/11/27 55162.7712 140ft 1200 MHz WUPPI 10033 sec (2.8 hr) wuppi_55162_PSR1723-28_349_[0001,0299].fits no detection
2009/11/27 55162.8874 140ft 1200 MHz WUPPI 4967 sec (1.4 hr) wuppi_55162_PSR1723-28_349_[0300,0448].fits no detection
2009/12/04 55169.6400 140ft 1200 MHz WUPPI 3600 sec (1.0 hr) wuppi_55169_PSR1723-28_361_[0000,0108].fits no detection
2009/12/06 55171.6179 140ft 1200 MHz WUPPI 9395 sec (2.6 hr) wuppi_55171_PSR1723-28_362_[0000,0280].fits no detection
2009/12/22 55187.6621 140ft 1200 MHz WUPPI 1800 sec (30 min) wuppi_55187_PSR1723-28_0395_[0001,0054].fits no detection
2010/02/19 55246.5297 GBT 2000 MHz GUPPI 3754 sec (1.0 hr) guppi_55246_J1723-28_0002_[0001,0012].fits strong detection
2010/02/20 55247.5007 GBT 2000 MHz GUPPI 2637 sec (44 min) guppi_55247_J1723-28_0002_[0001,0008].fits weak detection
2010/02/21 55248.5292 GBT 2000 MHz GUPPI 3708 sec (1.0 hr) guppi_55248_J1723-28_0002_[0001,0012].fits strong detection
2010/02/23 55250.5127 GBT 2000 MHz GUPPI 4290 sec (1.2 hr) guppi_55250_J1723-28_0002_[0001,0013].fits detection
2010/03/06 55261.4979 GBT 2000 MHz GUPPI 3766 sec (1.0 hr) guppi_55261_J1723-28_0002_[0001,0012].fits strong detection
2010/03/27 55282.4589 GBT 2000 MHz GUPPI 3598 sec (1.0 hr) guppi_55282_J1723-28_0002_[0001,0011].fits strong detection
2010/04/07 55292.6767 Parkes 1369 MHz DFB4 3239 sec (54.0 min) t100406_154717.rf detection
2010/04/10 55295.6433 Parkes 1369 MHz DFB4 1590 sec (26.5 min) t100409_151259.rf no detection
2010/04/12 55297.8553 Parkes 3100 MHz DFB4 1680 sec (28.0 min) t100411_201721.rf detection
2010/04/14 55300.5638 Parkes 3100 MHz DFB4 360 sec (6.0 min) t100414_132841.rf no detection
2010/04/14 55300.6061 Parkes 3100 MHz DFB4 4800 sec (1.3 hr) t100414_135231.rf detection
2010/04/18 55305.2832 140ft 1200 MHz WUPPI 7143 sec (2.0 hr) wuppi_55305_PSR1723-28_323_[0001,0178].fits no detection
2010/04/21 55306.9071 Parkes 3100 MHz DFB4 3600 sec (1.0 hr) t100420_211601.rf detection
2010/04/26 55312.5680 Parkes 3100 MHz DFB4 4800 sec (1.3 hr) t100426_125741.rf detection
2011/03/03 55623.5253 GBT 2000 MHz GUPPI 2130 sec (35.5 min) guppi_55623_J1723-28_0005_[0001,0007].fits strong detection
2011/03/03 55263.5581 GBT 2000 MHz GUPPI 7635 sec (2.1 hr) guppi_55623_J1723-28_0009_[0001,0023].fits strong detection