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Latest Details
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Name
  FO Per  
AAVSO UID
000-BBG-622 (20954 observations)  
Constellation
Perseus Sequence
J2000.0
04 08 34.95 +51 14 48.3  (62.14563 +51.24675) Search nearby
B1950.0 04 04 48.11 +51 06 52.6
Proper motion
RA: 2.7 +/- 2.8 mas/yDec: 2.1 +/- 2.1 mas/ySource: UCAC4
Galactic coord. 151.258 -0.446
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0401+50 AN 22.1939 ASASSN-V J040834.98+511448.2
Downes FO Per    
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Variability type
UG
Spectral type cv
Mag. range
11.8 - 16 V
Discoverer --
Epoch
--
Outburst --
Period 0.1719 d  (4.13 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2007PASP..119..494S Orbital period may also be 0.1467d.
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References
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1 H.A. Sheets et al., 2007, PASP 119, 494 2007PASP..119..494S
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1989A&AS...78..145B
5 H.Gessner, MVS 8, H.4, 66, 1978. --
6 I.D.Howarth, MVS 7, H.7, 147, 1976. --
External Links
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Location    Go   
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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 = 13.46H = 13.26K = 13.17J - K = 0.29
AllWISE W1 = 13.94W2 = 13.85W1 - W2 = 0.09
SDSS-DR12 u = 17.12g = 16.86r = 16.60i = 16.27z = 15.93u - g = 0.26r - i = 0.33
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 04 08 34.95 +51 14 48.3 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy CVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2017-12-15 04:06 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-09-21 21:28 UTC Update from [2007PASP..119..494S].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.