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Name
  FQ Cas  
AAVSO UID
000-BCV-184 (10424 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 21 25.56 +59 13 55.0  (5.35650 +59.23194) Search nearby
B1950.0 00 18 42.10 +58 57 16.8
Proper motion
RA: -3.7 +/- 2.0 mas/yDec: -4.2 +/- 1.4 mas/ySource: UCAC4
Galactic coord. 119.095 -3.416
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J00212557+5913550 AAVSO 0016+58 AN 600.1936
ASASSN-V J002125.55+591354.5 GSC 03665-00330 IRAS 00186+5857
Mis V1148 NSVS 1568973 SAVS 002121+591427
[I81] M 136    
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Variability type
M
Spectral type M6.5
Mag. range
11.1 - 17.9 V
Discoverer --
Epoch
02 Sep 2022 (HJD 2459825.0) Ephemeris
Outburst --
Period 269.8 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.49. Not CGCS 41.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 S. Yoshida, 2012, MISAO project (online data) --
3 M. Lewandowski et al., 2009, OEJV 104 2009OEJV..104....1L
4 S. Yoshida, 2000 (http://www.aerith.net/misao/data/misv.cgi?en). --
5 Ichikawa, T., 1981, The Space Distribution of M-Giants in the Direction of
Cassiopeia
1981PASJ...33..107I
6 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1981PASJ...33..107I
7 MVS N272, 1957. --
8 C.Hoffmeister, KVBB N28, 1943. 1941KVeBB...7....4A
External Links
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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 = 6.71H = 5.70K = 5.21J - K = 1.49
AllWISE W1 = 5.38W2 = 4.86W3 = 4.44W4 = 4.00W1 - W2 = 0.52W3 - W4 = 0.44
APASS-DR9 B = 15.61V = 13.73g' = 14.77r' = 12.79i' = 10.61B - V = 1.88
Images
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Supporting Documents
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2 Updated phase plot Tomlin, Ray 2024-03-27 06:17 UTC
1 Phase plot Otero, Sebastian Alberto 2012-05-09 10:07 UTC Phase plot with AAVSO, NSVS and Misao data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Tomlin, Ray 2024-03-27 02:59 UTC Period, epoch and minimum magnitude from AAVSO data.
4 Otero, Sebastian Alberto 2020-05-24 17:25 UTC Range from the GCVS (November 2019 version). Gaia DR2 position.
3 Otero, Sebastian Alberto 2012-05-09 10:07 UTC Epoch and maximum magnitude from AAVSO and NSVS data. Minimum magnitude from 1981PASJ...33..107I.
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.