03306+4947 HLD 8 (HD 21539)
03h 30m 34.67s +49° 47' 21.2" P.A. 177.00 sep 2.4 mag 9.42,9.79 Sp F0
Coord 2000 |
03306+4947 |
|
Discov num |
HLD 8 |
|
Comp |
|
|
Coord arcsec 2000 |
03 30 34.67 +49 47 21.2 |
|
Date first |
1881 |
|
Date last |
2018 |
|
Obs |
23 |
|
Pa first |
177 |
|
Pa last |
176.6 |
|
P.A. Now (θ) |
176.6° |
|
Sep first |
1.9 |
|
Sep last |
2.363 |
|
Sep. Now (ρ) |
2.363" |
|
Mag pri |
9.42 |
|
Mag sec |
9.79 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
-010 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.121 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21539 |
|
Constellation |
Perseus |
|
SAO |
38889 |
|
Tycho2 |
3320-01240-1 |
|
Gaia DR2 |
441554248988231168 |
|
HD |
21539 |
|
WDS 03306+4947 HLD 8 (HD 21539) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Hld1874 |
Ma - |
Holden, E.S. |
. |
Hld1874 |
|
Washington Observations, 1874 |
|
Hld1875 |
Ma - |
Holden, E.S. |
. |
Hld1875 |
|
Washington Observations, 1875 |
|
Hld1875b |
Ma j |
Holden, E.S. & Newcomb, S. |
1875AN.....86..321H |
Hld1875b |
|
AN 86, 321, 1875 |
|
Hld1875c |
Ma j |
Holden, E.S. |
1875AN.....86..321H |
Hld1875c |
|
AN 86, 321, 1875 |
|
Hld1876 |
Ma - |
Holden, E.S. |
. |
Hld1876 |
|
Washington Observations, 1876 |
|
Hld1876b |
Ma j |
Holden, E.S. |
1876AN.....88..131H |
Hld1876b |
|
AN 88, 131, 1876 |
|
Hld1877 |
Ma - |
Holden, E.S. |
1877AN.....90..161H |
Hld1877 |
|
AN 90, 161, 1877 |
|
Hld1877b |
Ma j |
Holden, E.S. |
1877AN.....90..161H |
Hld1877b |
|
AN 90, 161, 1877 |
|
Hld1878 |
Ma - |
Holden, E.S. |
. |
Hld1878 |
|
Washington Observations, 1878 |
|
Hld1878b |
Ma j |
Holden, E.S. |
1878AN.....93...65H |
Hld1878b |
|
AN 93, 65, 1878 (data also in Hld1878) |
|
Hld1879 |
Ma - |
Holden, E.S. |
. |
Hld1879 |
|
Washington Observations, 1879 |
|
Hld1879b |
Ma j |
Holden, E.S. |
1879AN.....95..329H |
Hld1879b |
|
AN 95, 329, 1879 (data also in Hld1879) |
|
Hld1880 |
Ma - |
Holden, E.S. |
. |
Hld1880 |
|
Washington Observations, 1880 |
|
Hld1880b |
Ma j |
Holden, E.S. |
1880AN.....97..319H |
Hld1880b |
|
AN 97, 319, 1880 (data also in Hld1880) |
|
Hld1881 |
Ma - |
Holden, E.S. |
. |
Hld1881 |
|
Washington Observations, 1881 |
|
Hld1881b |
Ma j |
Holden, E.S. |
1881MNRAS..41..416. |
Hld1881b |
|
MNRAS 41, 416, 1881 |
|
Hld1882 |
Ma - |
Holden, E.S. |
1882PWasO...1...77H |
Hld1882 |
|
Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) |
1894PLicO...2.....B |
Hld1884 |
Ma - |
Holden, E.S. |
1884PWasO...2...97H |
Hld1884 |
|
Pub. Washburn Obs. 2, 97, 1884 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
03306+4947 |
HLD 8 |
|
1998 |
16 |
177 |
2.3 |
9.42 |
9.79 |
F0 |
|
033034.67+494721.2 |
03306+4947 |
HLD 8 |
|
2008 |
17 |
177 |
2.3 |
9.42 |
9.79 |
F0 |
|
033034.67+494721.2 |
03306+4947 |
HLD 8 |
|
2009 |
18 |
177 |
2.3 |
9.42 |
9.79 |
F0 |
|
033034.67+494721.2 |
03306+4947 |
HLD 8 |
|
2015 |
18 |
176 |
2.4 |
9.42 |
9.79 |
F0 |
|
033034.67+494721.2 |
03306+4947 |
HLD 8 |
|
2018 |
19 |
177 |
2.4 |
9.42 |
9.79 |
F0 |
|
033034.67+494721.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03306+4947 HLD 8 (HD 21539) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03306+4947 HLD 8 (HD 21539) : MEASURES
No records found.
WDS 03306+4947 (HD 21539) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 03306+4947 (HD 21539) : ALADIN DSS IMAGE @ 03h 30m 34.67s +49° 47' 21.2"
WDS 03306+4947 HLD 8 (HD 21539) : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
03306+4947 |
HLD 8 |
|
177 |
2.4 |
|
Show |
|
03298+5001 |
COU2265 |
Aa,Ab |
283 |
0.7 |
16 |
Show |
|
03298+5001 |
ES 2599 |
AB |
299 |
19.2 |
16 |
Show |
|
03294+4931 |
BU 1179 |
|
141 |
0.6 |
21 |
Show |
|
03329+4951 |
PAT 43 |
|
337 |
0.5 |
23 |
Show |
|
03298+5010 |
UC 48 |
|
163 |
28.9 |
24 |
Show |
|
03283+4957 |
PAT 35 |
|
317 |
1.4 |
25 |
Show |
|
03288+4916 |
PAT 37 |
|
79 |
1.9 |
36 |
Show |
|
03284+4915 |
PAT 36 |
|
35 |
3.0 |
40 |
Show |
|
03322+4908 |
PAT 42 |
|
51 |
2.1 |
42 |
Show |
|
03287+5026 |
STF 388 |
|
214 |
2.8 |
43 |
Show |
|
03351+4945 |
MET 29 |
AB |
29 |
2.2 |
45 |
Show |
|
03351+4945 |
MET 29 |
AC |
247 |
5.3 |
45 |
Show |
|
03351+4945 |
MET 29 |
AD |
324 |
6.2 |
45 |
Show |
|
03351+4945 |
MET 29 |
AE |
280 |
6.2 |
45 |
Show |
|
03351+4945 |
MET 29 |
AF |
113 |
10.1 |
45 |
Show |
|
03315+4900 |
PAT 40 |
Aa,Ab |
91 |
0.1 |
49 |
Show |
|
03315+4900 |
MET 28 |
AB |
109 |
3.1 |
49 |
Show |
|
03263+4914 |
PAT 32 |
|
357 |
0.4 |
54 |
Show |
|
03285+4857 |
ES 1136 |
|
353 |
9.6 |
55 |
Show |
Mirfak |
03243+4952 |
BUP 44 |
|
198 |
164.0 |
61 |
Show |
|
03319+4844 |
PAT 41 |
|
350 |
0.1 |
65 |
Show |
|
03283+5049 |
COU2570 |
|
289 |
1.4 |
65 |
Show |
|
03245+4918 |
PAT 28 |
|
8 |
1.0 |
66 |
Show |
|
03378+4943 |
WFC 250 |
|
68 |
11.1 |
70 |
Show |
|
03283+4840 |
SKF2335 |
BC |
242 |
7.4 |
71 |
Show |
|
03283+4840 |
SKF2335 |
AB |
348 |
71.0 |
72 |
Show |
|
03297+5058 |
COU2571 |
|
49 |
0.9 |
72 |
Show |
|
03237+4911 |
PRS 36 |
|
262 |
2.3 |
77 |
Show |
|
03227+4941 |
PRS 35 |
|
8 |
4.4 |
77 |
Show |
|
03355+4847 |
BVD 190 |
|
67 |
14.8 |
78 |
Show |
|
03372+4905 |
ES 54 |
|
251 |
4.6 |
78 |
Show |
|
03248+4853 |
PAT 29 |
AB |
98 |
0.3 |
79 |
Show |
|
03248+4853 |
PAT 29 |
AC |
163 |
4.6 |
79 |
Show |
|
03248+4853 |
PAT 29 |
AD |
8 |
5.4 |
79 |
Show |
|
03248+4852 |
PAT 30 |
AB |
46 |
7.3 |
79 |
Show |
|
03248+4852 |
MET 27 |
AC |
313 |
10.2 |
79 |
Show |
|
03248+4852 |
MET 27 |
AD |
108 |
12.5 |
79 |
Show |
|
03248+4852 |
MET 27 |
AE |
110 |
12.4 |
79 |
Show |
|
03248+4852 |
MET 27 |
AF |
224 |
10.4 |
79 |
Show |
|
03342+4837 |
BU 787 |
AB |
293 |
5.2 |
79 |
Show |
|
03342+4837 |
BU 787 |
AD |
181 |
34.5 |
79 |
Show |
|
03342+4837 |
ARN 57 |
AE |
29 |
175.2 |
79 |
Show |
|
03304+4825 |
PAT 39 |
|
66 |
5.4 |
83 |
Show |
|
03236+4859 |
PAT 25 |
|
47 |
4.9 |
84 |
Show |
|
03244+4848 |
PAT 27 |
|
198 |
3.5 |
85 |
Show |
|
03276+4825 |
PAT 34 |
|
350 |
0.1 |
88 |
Show |
|
03214+4957 |
PAT 23 |
|
163 |
4.5 |
90 |
Show |
|
03367+4840 |
HU 102 |
|
64 |
3.2 |
91 |
Show |
|
03255+4830 |
PAT 31 |
|
337 |
4.4 |
92 |
Show |
|
03290+4814 |
PAT 38 |
|
234 |
1.6 |
95 |
|
|
WDS 03306+4947 : COMPONENTS
03306+4947 A
Componente originario normalizzato |
AB |
|
Name |
HD 21539 |
|
Coord arcsec 2000 |
033034.67+494721.2 |
|
Mag |
9.42 |
|
Spectral class |
F0 (yellow-white) |
|
PmRA |
-10.00 |
|
PmDE |
3.0 |
|
SAO |
38889 |
|
Tycho2 |
3320-01240-1 |
|
HD |
21539 |
|
DM |
BD+49 950 |
|
Tycho2 |
3320-01240-1 |
|
Pflag |
|
|
RAmdeg |
52.64446630 |
|
DEmdeg |
49.78921868 |
|
PmRA |
-11.1 |
|
PmDE |
14.7 |
|
E RAmdeg |
14 |
|
E DEmdeg |
15 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1990.18 |
|
EpDEm |
1989.91 |
|
Num |
7 |
|
Q RAmdeg |
1.1 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.2 |
|
Q pmDE |
1.5 |
|
BTmag |
9.877 |
|
E BTmag |
0.026 |
|
VTmag |
9.424 |
|
E VTmag |
0.023 |
|
Prox |
23 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
52.64450667 |
|
DEdeg |
49.78918472 |
|
EpRA 1990 |
1.69 |
|
EpDE 1990 |
1.58 |
|
E RAdeg |
13.8 |
|
E DEdeg |
15.3 |
|
Posflg |
D |
|
Corr |
0.1 |
|
SAO |
38889 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0018 |
|
DE1950 |
|
|
PmDE1950 |
0.01 |
|
Vmag |
8.6 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
3 |
|
CatNum |
421 |
|
DM |
BD+49 950 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
21539 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
0.9031115 |
|
DE1950rad |
0.86600083 |
|
PmRA2000 |
-0.0019 |
|
PmDE2000 |
0.007 |
|
Ccdm |
03306+4947 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.35 |
|
DDEs |
21.6 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
9.3 |
|
Sp |
F0 |
|
PmNote |
* |
|
PmRA |
-7 |
|
PmDE |
30 |
|
Dm number |
+49 950 |
|
Cat1 |
BD |
|
Name2 |
+49 421 |
|
Cat2 |
AGK2/3 |
|
HD |
21539 |
|
M HD |
|
|
ADS BDS |
A 2574 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03234N4927A |
|
HIC |
|
|
03306+4947 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
033034.68+494718.8 |
|
Mag |
9.79 |
|
PmRA |
-11.00 |
|
PmDE |
4.0 |
|
Calc delta mag |
0.37 |
|
Calc coord |
yes |
|
Ccdm |
03306+4947 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HLD 8 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1881 |
|
Theta |
175 |
|
Rho |
2.4 |
|
Obs |
8 |
|
Vmag |
9.7 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 2574 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
03234N4927B |
|
HIC |
|
|