AAVSO Home



Current Time: 05 Apr 2025 13:41:16 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  AK Sco  
AAVSO UID
000-BCX-130 (1792 observations)  
Constellation
Scorpius Sequence
J2000.0
16 54 44.85 -36 53 18.6  (253.68687 -36.88850) Search nearby
B1950.0 16 51 23.20 -36 48 28.6
Proper motion
RA: -7.998 +/- 0.157 mas/yDec: -29.054 +/- 0.118 mas/ySource: Gaia DR1
Galactic coord. 347.378 +4.201
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J16544485-3653185 AAVSO 1648-36 AN 221.1907
ASAS J165445-3653.3 CD-36 11056 CPD-36 7072
GSC 07371-00870 HBC 271 HD 152404
HIP 82747 HV 3057 IOMC 7371000015
IRAS 16514-3648 SAO 208174 TYC 7371-870-1
(Not logged in)  Add name
Variability type
UXOR:
Spectral type F5V+F5Vea
Mag. range
8.7 - 12.8 V
Discoverer Henrietta Leavitt (1907)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Spectroscopic orbital period 13.609 d. (2009ApJ...698L.108G).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 M. David, H. Hensberge, C. Nitschelm, 2013, A&A 557, A47 2013A&A...557A..47D
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 Gómez de Castro, A. I., 2009, AK Sco, First Detection of a Highly
Disturbed Atmosphere in a Pre-Main-Sequence Close Binary
2009ApJ...698L.108G
4 P. Pereira, J.M. Santos-Junior, 2006, PZP 6, 10 2006PZP.....6...10P
5 Alencar, S. H. P., et al., 2003, The pre-main sequence spectroscopic binary
AK Scorpii revisited
2003A&A...409.1037A
6 The All Sky Automated Survey 2002AcA....52..397P
7 C.Hoffmeister, AN 278, 24-40, 1949. 1949AN....278...24H
8 H.H.Swope, HA 109, N9, 1943. 1942AnHar.109...31S
9 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
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 = 7.68H = 7.06K = 6.50J - K = 1.17
AllWISE W1 = 5.48W2 = 5.06W3 = 3.01W4 = 0.90W1 - W2 = 0.42W3 - W4 = 2.11
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 YSO Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Fernig, Leo 2022-11-15 22:34 UTC Discoverer updated from 1912AN....191..341. page 352.
4 Otero, Sebastian Alberto 2012-12-14 01:11 UTC Spectral type from 2009ApJ...698L.108G. Type from. 2003A&A...409.1037A.
3 Otero, Sebastian Alberto 2012-06-21 01:17 UTC Primary record creation. Maximum magnitude from ASAS-3 data. Minimum magnitude from 2003A&A...409.1037A.
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.