AAVSO Home



Current Time: 12 Apr 2025 22:28:50 UTC
 Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  U Ser  
AAVSO UID
000-BBX-025 (14721 observations)  
Constellation
Serpens Sequence
J2000.0
16 07 17.66 +09 55 52.5  (241.82358 +9.93125) Search nearby
B1950.0 16 04 54.32 +10 03 49.9
Proper motion
RA: -9.013 +/- 0.121 mas/yDec: 8.288 +/- 0.101 mas/ySource: Gaia DR1
Galactic coord. 22.158 +40.858
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J16071766+0955525 AAVSO 1602+10 ASAS J160718+0955.9
ASASSN-V J160717.60+095552.3 BD+10 2956 GSC 00949-00131
HD 144782 HIP 78976 HV 114
IRAS 16049+1003 TYC 949-131-1  
(Not logged in)  Add name
Variability type
M
Spectral type M2e-M8e
Mag. range
7.66 - 14.7 V
Discoverer Williamina Fleming (1898)
Epoch
17 Feb 2009 (HJD 2454880) Ephemeris
Outburst --
Period 239 d
Rise/eclipse dur. 40%  (96 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team P var. Max = 2421158 + 237.70d*E (JD2414000 - 22000); Max = 2422347 + 236.78d*E (JD2422000 - 26600); Max = 2426609 + 239.21d*E (JD2426600 - 32500); since JD2432500 - see Table.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 5.08H = 4.38K = 3.92J - K = 1.16
AllWISE W1 = 3.51W2 = 2.56W3 = 2.29W4 = 1.78W1 - W2 = 0.95W3 - W4 = 0.50
APASS-DR9 B = 11.63V = 10.21B - V = 1.43
SDSS-DR12 u = 13.82g = 14.49r = 9.07i = 14.98z = 11.92u - g = -0.67r - i = -5.91
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 18
3 Otero, Sebastian Alberto 2011-04-26 18:45 UTC Primary record creation. Period, epoch, rise duration and maximum magnitude from ASAS-3 data. Spectral type from Skiff (2010).
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
3.142.220.14