AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  NSV 4640  
AAVSO UID
--  
Constellation
Carina Sequence
J2000.0
09 48 48.21 -57 11 02.5  (147.20087 -57.18403) Search nearby
B1950.0 09 47 10.67 -56 57 01.9
Proper motion
RA: -0.6 +/- 3.5 mas/yDec: -1.8 +/- 3.5 mas/ySource: UCAC4
Galactic coord. 280.102 -2.643
Other names

(Internal only)
2MASS J09484821-5711025 AN 224.1934 ASAS J094848-5711.1
ASASSN-V J094848.37-571102.5 HV 8225 IRAS 09471-5656
MSX6C G280.1017-02.6424 UCAC2 06760909  
(Not logged in)  Add name
Variability type
M
Spectral type M9
Mag. range
13.4 V - <16.2 p
Discoverer --
Epoch
31 Dec 2000 (HJD 2451910) Ephemeris
Outburst --
Period 395: d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Bedient, James Spectral type reference is Bidelman and MacConnell, IBVS #4612.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 W.J.Luyten, Minn Publ 2, No.6, 1938. 1938POMin...6....1L
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 = 5.69H = 4.71K = 4.33J - K = 1.36
APASS-DR9 B = 16.43V = 14.50g' = 15.70r' = 13.44i' = 10.18B - V = 1.92
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 09 48 48.21 -57 11 02.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 Phased ASAS Photometry of NSV 4640 Bedient, James 2006-12-05 00:14 UTC Phased ASAS Photometry of NSV 4640 downloaded on December 3, 2006.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Bedient, James 2006-12-05 00:14 UTC --
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.4.79