04215-2055 LDS 9168 AC (HD 27701)

 
 
04h 21m 28.80s -20° 54' 54.2" P.A. 326.00 sep 59.3 mag 8.91,11.29 Sp K1V dist. 30.78 pc (100.4 l.y.)
 
 
Coord 2000 04215-2055 Discov num LDS9168 Comp AC Coord arcsec 2000 04 21 28.80 -20 54 54.2
Date first 1917 Date last 2015 Obs 10
Pa first 325 Pa last 325.6 P.A. Now (θ) 325.6°
Sep first 59.9 Sep last 59.29 Sep. Now (ρ) 59.29"
Mag pri 8.91 Mag sec 11.29 delta mag (ΔM) 2.38 Spectral class K1V (yellow-orange)
Pri motion ra +203 Sec motion ra +197
Pri motion dec +137 Sec motion dec +142
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.032 (< 0.3, Physical double)
This double is physical.
 
 
04215-2055 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 169366 04 21 29 -20 54 54 B 1935 AB 2021 17 5 0.1 8.91 10.15 1.24 Y
Show HD 27701 169366 04 21 29 -20 54 54 LDS 9168 AC 2015 10 326 59.3 8.91 11.29 2.38 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 27701 Constellation Eridanus SAO 169366 HIP 20338
Tycho2 5896-01671-1 Gaia DR2 5091491594047857664 HD 27701 BD BD-21 848
Distance 30.78 Distance ly 100.4
 
 
WDS 04215-2055 LDS 9168 AC (HD 27701) : NOTES
 
 
discov_num notes refcode
LDS9168 Old LDS6168.
AC: NLTT 13102/13095 Chm2004
AC: SHY 167. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
 
 
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.)
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
212 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04215-2055 LDS9168 AC 2000 8 326 59.1 8.91 11.10 N D 042128.80-205454.2
04215-2055 LDS9168 AC 2015 11 326 59.3 8.91 11.29 K1V NV 042128.80-205454.2

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 04215-2055 LDS 9168 AC (HD 27701) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04215-2055 LDS 9168 AC (HD 27701) : MEASURES
 
 
No records found.

 
 
WDS 04215-2055 (HD 27701) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 04215-2055 (HD 27701) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.