AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  NSV 25534  
AAVSO UID
000-BPZ-155 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 15 06.93 +44 42 16.9  (318.77888 +44.70469) Search nearby
B1950.0 21 13 16.83 +44 29 46.2
Proper motion
RA: -0.8 +/- 3.6 mas/yDec: -9.9 +/- 4.8 mas/ySource: UCAC4
Galactic coord. 87.740 -2.884
Other names

(Internal only)
2MASS J21150692+4442168 ASASSN-V J211506.88+444217.2 ATO J318.7790+44.7047
CGHA 73 GSC 03181-01373 Gaia DR3 1971759566522867456
IRAS 21132+4429 LD 44 TIC 275724015
ZTF J211506.93+444216.8 [KW97] 56-54  
(Not logged in)  Add name
Variability type
SRB
Spectral type Me
Mag. range
11.96 - 12.71 V
Discoverer L. Dahlmark
Epoch
04 Jun 2015 (HJD 2457178.0) Ephemeris
Outburst --
Period 64.0 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team B-V ~ 1.7.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Pawlak, M.; et al., 2024, Investigating the long secondary period
phenomenon with the ASAS-SN and Gaia data
2024A&A...682A..88P
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 Kohoutek, L.; Wehmeyer, R., 1997, Catalogue of stars in the Northern Milky
Way having H-alpha in emission
1997AAHam..11....1K
4 L.Dahlmark, IBVS N2157, 1982. 1982IBVS.2157....1D
5 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1976VatOP...1..213M
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 = 6.48H = 5.47K = 5.12J - K = 1.36
AllWISE W1 = 4.96W2 = 4.89W3 = 4.69W4 = 4.11W1 - W2 = 0.07W3 - W4 = 0.58
APASS-DR9 B = 13.98V = 12.14g' = 13.02r' = 11.37i' = 9.49B - V = 1.84
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
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2024-09-12 03:53 UTC Type, epoch and range from ASAS-SN data. Period from 2024A&A...682A..88P. Spectral type from 1997AAHam..11....1K. Gaia DR3 position.
2 Admin, VSX 2017-12-16 02:43 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.