08397+0546 STF 1255 AB (HD 73668)

 
 
08h 39m 43.80s +05° 45' 51.4" P.A. 30.00 sep 26.1 mag 7.33,8.56 Sp G1V dist. 36.31 pc (118.44 l.y.)
 
 
Coord 2000 08397+0546 Discov num STF1255 Comp AB Coord arcsec 2000 08 39 43.80 +05 45 51.4
Date first 1782 Date last 2020 Obs 59
Pa first 31 Pa last 30.3 P.A. Now (θ) 30.3°
Sep first 25.7 Sep last 26.06 Sep. Now (ρ) 26.06"
Mag pri 7.33 Mag sec 8.56 delta mag (ΔM) 1.23 Spectral class G1V (yellow)
Pri motion ra +179 Sec motion ra +173
Pri motion dec -300 Sec motion dec -302
Notes N T (See Notes, Parallax indicates physical)
rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
08397+0546 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 73668 117000 08 39 44 +05 45 51 STF 1255 AB 2020 59 30 26.1 7.33 8.56 1.23 <===
Show 08 39 45 +05 46 14 STF 1255 BC 2015 7 357 69.6 8.56 13.55 4.99
Show 08 39 45 +05 46 14 STF 1255 BD 2015 7 22 71.5 8.56 12.62 4.06
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 73668 Constellation Hydra SAO 117000 HIP 42488
Tycho2 0223-01420-1 HD 73668 GC 11880 ADS 6913
DM BD+06 2008 BD BD+06 2007 Distance 36.31 Distance ly 118.44
 
 
WDS 08397+0546 STF 1255 AB (HD 73668) : NOTES
 
 
discov_num notes refcode
STF1255 AB: HJL 96. HJL1986
AB: H 4 54. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
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
08397+0546 STF1255 AB 2006 46 30 25.9 7.33 8.56 G1V ZDV 083943.70+054554.0
08397+0546 STF1255 AB 2012 52 33 26.2 7.33 8.56 G1V NZDV 083943.70+054554.0
08397+0546 STF1255 AB 2015 55 30 26.0 7.33 8.56 G1V NZ V 083943.80+054551.4
08397+0546 STF1255 AB 2020 57 30 26.1 7.33 8.56 G1V NT 083943.80+054551.4

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

 
 
WDS 08397+0546 STF 1255 AB (HD 73668) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08397+0546 STF 1255 AB (HD 73668) : MEASURES
 
 
No records found.

 
 
WDS 08397+0546 (HD 73668) : 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 08397+0546 (HD 73668) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.