|
|
Revise New Search
|
Latest Details
|

|
Log in to retrieve additional aliases from SIMBAD. |
|
Name |
V1981 Cyg |
|
|
AAVSO UID |
|
Constellation |
|
J2000.0 |
|
B1950.0 |
21 00 36.93 +44 35 34.4 |
Proper motion |
|
Galactic coord. |
86.273 -1.166 |
Other names

(Internal only)
|
AAVSO 2058+44A |
ASASSN-V J210224.18+444727.3 |
BD+44 3679 |
DO 39142 |
GSC 03180-00020 |
HD 200527 |
HIP 103828 |
HR 8062 |
IRC +40464 |
PPM 60869 |
RAFGL 2689 |
SAO 50381 |
TIC 304387398 |
TYC 3180-20-1 |
|
(Not logged in) Add name
|
Variability type |
SRB |
|
|
Spectral type |
M3-M4.5SIIIa |
Mag. range |
6.11 - 6.39 V |
|
|
Discoverer |
-- |
Epoch |
|
Outburst |
-- |
Period |
-- |
Rise/eclipse dur. |
-- |
|
|
Remarks
|

|
|
There are currently no remarks on file for this star.
|
(Not logged in) Add remark
|
|
|
References
|

|
Click reference title/citation to view in new window. Roll over index number to view submission details.
|
|
1 |
C. Koen, L. Eyer, 2002, MNRAS 331, 45 |
2002MNRAS.331...45K |
2 |
Perryman, M. A. C., et al., 1997, The HIPPARCOS Catalogue |
1997HIP...C......0E |
3 |
J.D.Fernie, PASP 103, No.664, 559, 1991. |
1991PASP..103..559F |
4 |
Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) |
1990A&AS...85.1069S |
|
|
|
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 = 2.27 | H = 1.41 | K = 1.09 | J - K = 1.18 |
AllWISE
|
W3 = 0.70 | W4 = 0.61 | W3 - W4 = 0.09 |
|
|
Images
|

|
Please review Digitized Sky Survey Acknowledgment and Copyright.
|
|
|
|
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.
|
|
|
4 |
Otero, Sebastian Alberto
|
2021-02-17 05:41 UTC |
Spectral type from Skiff (2016). Maximum magnitude from GCPD data. Minimum magnitude derived from Hipparcos and Tycho data. |
|
3 |
Admin, VSX
|
2017-12-16 03:09 UTC |
Spectral type from Skiff (VizieR on-line data: B/mk) |
|
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. |
|