12043+2128 STF 1596 (2 Com)

 
 
12h 04m 16.60s +21° 27' 33.0" P.A. 234.00 sep 3.4 mag 6.18,7.48 Sp F0IV-V dist. 101.01 pc (329.49 l.y.)
 
 
Coord 2000 12043+2128 Discov num STF1596 Comp Coord arcsec 2000 12 04 16.60 +21 27 33.0
Date first 1782 Date last 2020 Obs 195
Pa first 242 Pa last 234.1 P.A. Now (θ) 234.1°
Sep first 4.0 Sep last 3.44 Sep. Now (ρ) 3.44"
Mag pri 6.18 Mag sec 7.48 delta mag (ΔM) 1.3 Spectral class F0IV-V (yellow-white)
Pri motion ra +035 Sec motion ra +035
Pri motion dec -004 Sec motion dec -004
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 2 Com Constellation Coma Berenices SAO 82123 HIP 58858
Tycho2 1444-02568-1 Gaia DR2 3999857073730936448 HD 104827 HR 4602
GC 16489 ADS 8406 BD BD+22 2437 Flamsteed 2 Comae Berenices
Flamsteed name 2 Com Distance 101.01 Distance ly 329.49
 
 
WDS 12043+2128 STF 1596 (2 Com) : NOTES
 
 
discov_num notes refcode
STF1596 2 Com. A spectroscopic binary.
H 2 47. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12043+2128 STF1596 2007 184 235 3.7 6.18 7.48 F0IV-V N D 120416.60+212733.0
12043+2128 STF1596 2008 187 236 3.7 6.18 7.48 F0IV-V N D 120416.60+212733.0
12043+2128 STF1596 2011 188 236 3.6 6.18 7.48 F0IV-V N D 120416.60+212733.0
12043+2128 STF1596 2013 190 236 3.7 6.18 7.48 F0IV-V N D 120416.60+212733.0
12043+2128 STF1596 2014 186 235 3.6 6.18 7.48 F0IV-V N D 120416.60+212733.0
12043+2128 STF1596 2016 188 235 3.7 6.18 7.48 F0IV-V N 120416.60+212733.0
12043+2128 STF1596 2017 190 236 3.7 6.18 7.48 F0IV-V N 120416.60+212733.0
12043+2128 STF1596 2020 193 234 3.4 6.18 7.48 F0IV-V N 120416.60+212733.0

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WDS 12043+2128 STF 1596 (2 Com) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/04/21 Daedalus1 mean difficulty separated 234   Both stars pure white. Primary much brighter than companion.

 
 
WDS 12043+2128 STF 1596 (2 Com) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/04/21 Daedalus1 mean difficulty 3.69 0.07 234.00 0.00 1.29 12 Seeing: Pickering 6, good
 
 
WDS 12043+2128 (2 Com) : VIRTUAL EYEPIECE
 
 

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WDS 12043+2128 (2 Com) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.