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Name
  T Ser  
AAVSO UID
000-BCC-441 (5598 observations)  
Constellation
Serpens Sequence
J2000.0
18 28 48.74 +06 17 52.7  (277.20308 +6.29797) Search nearby
B1950.0 18 26 22.33 +06 15 52.0
Proper motion
RA: -5.2 +/- 5.1 mas/yDec: 6.3 +/- 4.6 mas/ySource: UCAC4
Galactic coord. 35.997 +7.886
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18284873+0617526 AAVSO 1823+06 ASAS J182849+0617.9
BD+06 3805 DO 4847 GSC 00445-01286
IRAS 18263+0615 IRC +10358 NSVS J1828496+061738
RAFGL 5242S TYC 445-1286-1 [D75] 75
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Variability type
M
Spectral type M4-M7e
Mag. range
9.1 - 15.5 V
Discoverer Joseph Baxendell (1860)
Epoch
22 Sep 2008 (HJD 2454732) Ephemeris
Outburst --
Period 337 d
Rise/eclipse dur. 47%
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 1.0460 0.1988 mas (distance 0.96 0.2 kpc).
2 Otero, Sebastian Alberto Period jitter. J-K= 1.44; B-V= 1.66. The red SRB variable BN Ser lies 46" to the SE.
3 GCVS Team In the region of the open cluster NGC 6633. P var. Max = 2400907 + 342.05d*E (JD2400500 - 15000); Max = 2417912 + 345.73d*E (JD2417900 - 26000); Max = 2428524 + 332.21d*E (JD2426000 - 32500); Max = 2438382 + 345.71d*E (JD2432500 - 39500); since JD2439500 - see Table. 0.8' from BN Ser.
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References
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1 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
2 Baxendell, J., 1861, On the Three New Variable Stars, T Bootis, T
Serpentis, and S Delphini
1861MNRAS..21...68B
3 T. Karlsson, Maxima of Mira stars --
4 Williams S.J., Wozniak P.R., Vestrand W.T., Gupta V., 2004, Unspecified
slow variables
--
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 3.70H = 2.70K = 2.26J - K = 1.44
AllWISE W3 = 1.22W4 = 0.69W3 - W4 = 0.53
APASS-DR9 B = 14.36V = 12.06g' = 13.49r' = 10.83i' = 7.24B - V = 2.30
Images
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Supporting Documents
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Campaigns/Programs
 LPV Humps
Revision History
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4 Schmeer, Patrick 2018-07-07 06:52 UTC Discoverer added from 1861MNRAS..21...68B.
3 Otero, Sebastian Alberto 2013-01-02 18:59 UTC Primary record creation. Period, epoch and range from ASAS-3 data. UCAC4 position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.