15439-6644 DON 749

 
 
15h 43m 53.50s -66° 44' 29.4" P.A. 213.00 sep 3.9 mag 10.39,15.40 Sp A2
 
 
Coord 2000 15439-6644 Discov num DON 749 Comp Coord arcsec 2000 15 43 53.50 -66 44 29.4
Date first 1929 Date last 2015 Obs 4
Pa first 211 Pa last 212.8 P.A. Now (θ) 212.8°
Sep first 3.5 Sep last 3.915 Sep. Now (ρ) 3.915"
Mag pri 10.39 Mag sec 15.40 delta mag (ΔM) 5.01 Spectral class A2 (white)
Pri motion ra -007 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Triangulum Australe Tycho2 9035-02416-1 Gaia DR2 5820892661456038912 HD 139721
 
 
WDS 15439-6644 DON 749 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15439-6644 DON 749 2000 3 213 3.9 10.39 15.40 A2 D 154353.50-664429.4
15439-6644 DON 749 2015 4 213 3.9 10.39 15.40 A2 154353.50-664429.4

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WDS 15439-6644 DON 749 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15439-6644 DON 749 : MEASURES
 
 
No records found.

 
 
WDS 15439-6644 : VIRTUAL EYEPIECE
 
 

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WDS 15439-6644 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.