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Name
  NSV 1550  
AAVSO UID
--  
Constellation
Perseus Sequence
J2000.0
04 20 11.51 +50 55 15.4  (65.04796 +50.92094) Search nearby
B1950.0 04 16 23.63 +50 48 05.4
Proper motion
RA: 1.19 +/- 0.39 mas/yDec: -7.52 +/- 0.33 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 152.803 +0.574
Other names

(Internal only)
b Per 2 2MASS J04201151+5055152 BD+50 973
CSV 102438 GSC 03341-01095 HD 27192
HIP 20234 HR 1333 LS V+50 006
PPM 029070 SAO 24544 TIC 470358759
TYC 3341-1095-1 WISEA J042011.52+505515.2  
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Variability type
HB
Spectral type B2IV
Mag. range
5.53 - 5.57 V
Discoverer --
Epoch
20 Feb 1990 (HJD 2447943.49) Ephemeris
Outburst --
Period 9.89572 d
Rise/eclipse dur. --
Remarks
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1 Mishevskiy, Nikolay J-K= -0.11, B-V= -0.01.
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 C.R.Lynds, ApJ 130, 577, 1959. 1959ApJ...130..577L
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 = 5.50H = 5.61K = 5.60J - K = -0.10
AllWISE W1 = 5.61W2 = 5.58W3 = 5.70W4 = 5.03W1 - W2 = 0.03W3 - W4 = 0.67
Images
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Supporting Documents
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1 Combined phase plot Mishevskiy, Nikolay 2020-03-11 01:40 UTC
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Revision History
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3 Mishevskiy, Nikolay 2020-02-26 05:43 UTC Position from Gaia DR2. Type, period and epoch from TESS data. Range from HIPPARCOS, GCPD and TESS data.
2 Admin, VSX 2010-01-18 23:18 UTC Position updated to NSV version of June 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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