11111+3027 STT 231AD

 
 
11H 11M 05.23S +30 26' 45.4" P.A. 32 SEP 235.8 MAG 8.86,13.06 SP M1 DIST. 11.87 PC (38.72 L.Y.)
 
 
Coord 2000
11111+3027
Discov num
STT 231
Comp
AD
Coord arcsec 2000
11 11 05.23 +30 26 45.4
Date first
1913
Date last
2001
Obs
4
Pa first
44
Pa last
32
P.A. Now (θ)
32°
Sep first
255.4
Sep last
235.8
Sep. Now (ρ)
235.8"
Mag pri
8.86
Mag sec
13.06
delta mag (ΔM)
4.2
Spectral class
M1 (red)
Pri motion ra
+592
Sec motion ra
+001
Pri motion dec
-197
Sec motion dec
+000
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
11111+3027 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 62440 11111+3027 STT 231 AB 1844 2016 85 262 34.1 8.86 9.98 1.12
Show 62440 11111+3027 STT 231 AC 1881 2006 27 322 211.0 8.86 9.29 0.43
Show 62440 11111+3027 STT 231 AD 1913 2001 4 32 235.8 8.86 13.06 4.20 <===
Show 11111+3027 STT 231 BC 1881 2006 23 331 196.0 9.98 9.29 0.69
Show 62439 11111+3027 STT 231 CE 1908 2001 4 36 138.7 9.29 14.20 4.91
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
62440
HIP
54646
Tycho2
2520-02524-1
HD
97101
GL
Gl 414A
BD
BD+31 2240
Distance
11.87
Distance ly
38.72
last precise pa
32.4
last precise sep
235.826
 
 
WDS 11111+3027 STT 231AD : NOTES
 
 
discov_num notes refcode
STT 231 Mt. Wilson spectral types M1, M2, G5.
AB: NLTT 26534/26531 Chm2004
Pair was listed, but in a "rejected" list, not part of discoverer's
regular numbering sequence.
AB Hyperbolic orbit by Hopmann (1960). e = 575. Hop1960b
sigma = areal constant in the true orbit = 3.75 arcsec^2/yr
q = periastron distance in the true orbit = 33".73
All hyperbolic orbits rejected from Fourth Orbit Catalog Wor1983
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
Hop1960b orb - Hopmann, J. 1960MiWie..10..227H
Hop1960b Mitt. Sternw. Wien 10, 227-256, 1960
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
 
 
DISCOVERER
 
 
discov author
STT (O. Struve DD - Appendix list)
STT Struve, O.

 
 
WDS 11111+3027 STT 231AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11111+3027 STT 231AD : MEASURES
 
 
No records found.

 
 
WDS 11111+3027 STT 231AD : Virtual Eyepiece
 
 


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