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Details for Revision 2
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Name
  NSV 20904  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 05 56.67 -27 08 13.3  (256.48613 -27.13703) Search nearby
B1950.0 17 02 49.75 -27 04 12.5
Galactic coord. 356.607 +8.270
Other names

(Internal only)
2MASS J17055667-2708132 Gaia DR2 4108777891114000256 IRAS 17028-2704
Terz V 625 UCAC4 315-106429  
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Variability type
M
Spectral type --
Mag. range
13.3 - <18.8 V
Discoverer A. Terzan, Ch. Ounnas.
Epoch
19 Jul 2020 (HJD 2459050) Ephemeris
Outburst --
Period 295 d
Rise/eclipse dur. --
Remarks
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1 Bedient, James Position in GCVS transcribed incorrectly from original paper. GCVS 5.1 v.Nov. 2020 records dec as -22... deg; original paper recorded dec as -27... deg.
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References
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1 Kazarovets, E. V.; et al., 2023, The 85th Name-list of Variable Stars 2023PZ.....43....9K
2 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
3 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
4 A.Terzan, Ch.Ounnas, AsAp Suppl 76, No.2, 205, 1988. 1988A&AS...76..205T
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Supporting Documents
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2 NSV 20904 Phase Plot Bedient, James 2020-12-11 10:42 UTC Phase plot of ASAS-SN V and g data.
1 NSV 20904 Light Curve Bedient, James 2020-12-11 10:38 UTC Light curve of ASAS-SN V and g data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2024-10-16 20:03 UTC Primary name and epoch from 2023PZ.....43....9K. Gaia DR3 position.
2 Bedient, James 2020-12-07 11:40 UTC Identification from 1988A&AS...76..205T. Type and period from 2018A&A...616A...1G and ASAS-SN data. Epoch and maximum magnitude from ASAS-SN data. Minimum magnitude derived from Pan-STARRS1. Gaia EDR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.