WDS 21098+2915 DU 3 : NOTES
| discov_num |
notes |
refcode |
| DU 3 |
Aka WFC 234. DM number incorrectly listed as BD+28 4015 in BDS. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Du_1871 |
orb - |
Duner, N.C. |
1871AN.....78..315D |
| Du_1871 |
|
AN 78, 315, #1868, 1871 |
|
| Du_1876 |
Ma - |
Duner, N.C. |
. |
| Du_1876 |
+orb |
Mesures Microm. Lund, 1876 |
|
| Du_1878A |
orb - |
Duner, N.C. |
. |
| Du_1878A |
|
cited by Flammarion ("Cat. des Etoiles Doubles", 1878) |
|
| Du_1878B |
Ma - |
Duner, N.C. |
1878Obs.....2..146G |
| Du_1878B |
|
cited by Gledhill (Obs 2, 146, 1878) |
|
| Du_1906A |
Ma - |
Duner, N.C. |
1906MmRAS..56....1L |
| Du_1906A |
|
cited by Lewis (MemRAS 56, 1, 1906) |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21098+2915 |
DU 3 |
|
1926 |
5 |
200 |
6.0 |
10.60 |
10.70 |
|
|
|
| 21098+2915 |
DU 3 |
|
1999 |
8 |
196 |
6.1 |
10.67 |
10.69 |
|
D |
211054.59+285610.4 |
| 21098+2915 |
DU 3 |
|
2011 |
9 |
195 |
6.0 |
10.69 |
10.67 |
|
N D |
211054.59+285610.4 |
| 21098+2915 |
DU 3 |
|
2016 |
12 |
16 |
6.1 |
10.67 |
10.69 |
|
N |
211054.59+285610.4 |
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