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Name
  RT Psc  
AAVSO UID
000-BBC-552 (2853 observations)  
Constellation
Pisces Sequence
J2000.0
01 13 47.94 +27 07 58.9  (18.44975 +27.13303) Search nearby
B1950.0 01 11 03.73 +26 52 07.9
Proper motion
RA: -24.85 +/- 0.87 mas/yDec: -32.97 +/- 0.45 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 129.043 -35.473
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J01134794+2707590 AAVSO 0108+26 ASAS J011348+2708.0
BD+26 199 HD 7307 HIP 5746
HV 3665 IRC +30023 RAFGL 179
SAO 74573 TIC 16880539 TYC 1750-818-1
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Variability type
SRB
Spectral type M5III
Mag. range
8.2 (0.54) V
Discoverer Henrietta Leavitt (1916)
Epoch
11 Mar 2003 (HJD 2452709.5) Ephemeris
Outburst --
Period 70 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Mean brightness varies with P2 = 533d. According to [O.J.Eggen, ApJ 213, 767, 1977.] 30d <= P1 <= 70d.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 S.Gaposchkin, HA 118, N18, 1952. 1952AnHar.118..141G
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1950ApJ...111..221W
4 Guthnick, P.; et al., 1924, Benennung von neu entdeckten veränderlichen
Sternen
1924AN....223...41G
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 = 3.25H = 2.27K = 2.01J - K = 1.24
AllWISE W3 = 1.32W4 = 0.81W3 - W4 = 0.51
APASS-DR9 B = 10.60g' = 10.18
SDSS-DR12 u = 14.32g = 12.55r = 11.33i = 9.46z = 6.45u - g = 1.77r - i = 1.88
Images
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Supporting Documents
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Revision History
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4 Fernig, Leo 2023-07-05 21:41 UTC Discoverer updated from 1924AN....223...41G page 47.
3 Otero, Sebastian Alberto 2018-06-11 00:10 UTC Primary record creation.
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.