09276-0840 H 6 111 AB (Alphard)
09h 27m 35.25s -08° 39' 31.3" P.A. 155.00 sep 284.4 mag 1.98,9.70 Sp K3II-III dist. 55.28 pc (180.32 l.y.)
Coord 2000 |
09276-0840 |
|
Discov num |
H 6 111 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 27 35.25 -08 39 31.3 |
|
Date first |
1833 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
155 |
|
Pa last |
154.5 |
|
P.A. Now (θ) |
154.5° |
|
Sep first |
285.0 |
|
Sep last |
284.4 |
|
Sep. Now (ρ) |
284.4" |
|
Mag pri |
1.98 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
7.72 |
|
Spectral class |
K3II-III (yellow-orange) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
|
|
Pri motion dec |
+033 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
09276-0840 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Alphard |
136871 |
09 27 35 -08 39 31 |
H 6 111 AB |
2015 |
11 |
155 |
284.4 |
1.98 |
9.70 |
7.72 |
|
<=== |
Show |
|
136871 |
09 27 35 -08 39 31 |
H 6 111 AC |
2015 |
3 |
85 |
257.0 |
1.98 |
|
|
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Alphard |
|
Var name |
NSV4496 Hya |
|
Constellation |
Hydra |
|
SAO |
136871 |
|
HIP |
46390 |
|
Tycho2 |
5460-01592-1 |
|
Gaia DR2 |
5741512800984781824 |
|
HD |
81797 |
|
HR |
3748 |
|
GC |
13044 |
|
DM |
BD-08 2681 |
|
BD |
BD-08 2680 |
|
Bayer |
Alpha Hydrae |
|
Bayer name |
Alp Hya |
|
Flamsteed |
30 Hydrae |
|
Flamsteed name |
30 Hya |
|
FK5 |
354 |
|
Distance |
55.28 |
|
Distance ly |
180.32 |
|
Bayer greek |
α Hya |
|
Other names |
KALBELALPHARD, COR HYDRAE, Alfard |
|
WDS 09276-0840 H 6 111 AB (Alphard) : NOTES
discov_num |
notes |
refcode |
H 6 111 |
AB: H VI 111. alp Hya = 30 Hya = Alphard. B is BD-08@2681. |
|
|
Mk III Limb-darkened diameter 9.727 +/- 0.097 mas. |
MkT2003 |
|
Primary unresolved in H alpha. |
Bla1977a |
REFERENCES
refcode |
metd |
author |
reference |
Bla1977a |
S j |
Blazit, A., Bonneau, D., Koechlin, L. & Labeyrie, A. |
1977ApJ...214L..79B |
Bla1977a |
|
ApJ 214, L79, 1977 |
|
MkT2003 |
Km - |
Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., |
2003AJ....126.2502M |
MkT2003 |
+not |
Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R. |
|
MkT2003 |
|
AJ 126, 2502, 2003 |
|
DISCOVERER
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
09276-0840 |
H 6 111 |
AB |
2002 |
9 |
157 |
285.4 |
1.98 |
9.70 |
K3II-III |
N |
092735.25-083931.3 |
09276-0840 |
H 6 111 |
AB |
2009 |
10 |
154 |
282.3 |
1.98 |
9.70 |
K3II-III |
N |
092735.25-083931.3 |
09276-0840 |
H 6 111 |
AB |
2015 |
11 |
155 |
284.4 |
1.98 |
9.70 |
K3II-III |
N |
092735.25-083931.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 09276-0840 H 6 111 AB (Alphard) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 09276-0840 H 6 111 AB (Alphard) : MEASURES
No records found.
WDS 09276-0840 (Alphard) : 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 09276-0840 (Alphard) : ALADIN DSS IMAGE @ 09h 27m 35.25s -08° 39' 31.3"
WDS 09276-0840 H 6 111 AB (Alphard) : 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 |
Alphard |
09276-0840 |
H 6 111 |
AB |
155 |
284.4 |
|
Show |
Alphard |
09276-0840 |
H 6 111 |
AC |
85 |
257.0 |
|
Show |
|
09279-0858 |
RST3638 |
|
46 |
1.1 |
20 |
Show |
|
09287-0827 |
SKF 429 |
|
259 |
17.5 |
21 |
Show |
|
09272-0913 |
A 1588 |
AB |
196 |
0.4 |
35 |
Show |
|
09272-0913 |
BU 590 |
AB,C |
171 |
10.9 |
35 |
Show |
|
09283-0805 |
BU 213 |
|
171 |
1.9 |
36 |
Show |
|
09289-0916 |
BEU 13 |
|
98 |
0.5 |
42 |
Show |
|
09252-0907 |
A 1587 |
|
99 |
1.0 |
45 |
Show |
|
09257-0919 |
HJ 814 |
|
346 |
11.0 |
49 |
Show |
|
09307-0821 |
RST3641 |
|
257 |
0.4 |
50 |
Show |
|
09244-0925 |
SKF 786 |
|
206 |
124.7 |
66 |
Show |
|
09322-0845 |
YSC 202 |
|
41 |
0.4 |
69 |
Show |
|
09268-0947 |
GWP1176 |
|
219 |
35.3 |
69 |
Show |
|
09300-0741 |
UC 1804 |
|
358 |
22.7 |
70 |
Show |
|
09290-0733 |
RST3639 |
|
101 |
3.1 |
71 |
Show |
|
09225-0828 |
A 1083 |
|
58 |
4.4 |
76 |
Show |
|
09288-0722 |
GIC 87 |
|
84 |
35.6 |
80 |
Show |
|
09233-0752 |
UC 1785 |
|
39 |
52.8 |
80 |
Show |
|
09283-0959 |
STF1357 |
AB |
54 |
7.7 |
81 |
Show |
|
09283-0959 |
FYM 167 |
AC |
275 |
18.3 |
81 |
Show |
|
09229-0753 |
BRT 428 |
|
191 |
4.3 |
84 |
Show |
|
09224-0759 |
TDS6512 |
|
58 |
0.5 |
88 |
Show |
|
09244-0725 |
HEI 352 |
|
219 |
2.6 |
89 |
Show |
|
09308-0723 |
LDS3901 |
|
253 |
32.0 |
91 |
Show |
|
09339-0841 |
GWP1195 |
|
62 |
27.7 |
94 |
Show |
|
09230-0735 |
UC 1784 |
|
267 |
23.7 |
94 |
Show |
|
09294-1013 |
TDS6596 |
|
122 |
0.6 |
97 |
Show |
|
09228-0950 |
A 1342 |
AB |
49 |
0.1 |
100 |
Show |
|
09228-0950 |
RST5568 |
AB,C |
209 |
1.9 |
100 |
Show |
|
09204-0821 |
J 1545 |
|
19 |
11.2 |
109 |
Show |
|
09203-0822 |
AG 339 |
|
28 |
6.1 |
110 |
Show |
|
09203-0817 |
GCB 24 |
|
298 |
7.1 |
110 |
Show |
|
09207-0742 |
BGH 4 |
CA |
326 |
135.0 |
116 |
Show |
|
09207-0742 |
TOK 527 |
CD |
342 |
999.9 |
116 |
Show |
|
09276-1036 |
GWP1181 |
|
60 |
93.4 |
117 |
Show |
|
09207-0742 |
A 1082 |
AB |
200 |
0.6 |
118 |
Show |
|
09205-0933 |
SHJ 105 |
AB |
211 |
229.1 |
119 |
Show |
|
09205-0933 |
GUI 13 |
AD |
227 |
122.3 |
119 |
Show |
|
09196-0842 |
TDS6470 |
|
106 |
0.4 |
119 |
Show |
|
09261-0641 |
SKF 787 |
|
151 |
11.7 |
122 |
Show |
|
09249-1034 |
J 1547 |
|
14 |
9.0 |
122 |
Show |
|
09205-0933 |
DOO 49 |
BC |
199 |
9.2 |
122 |
Show |
|
09333-0711 |
CBL 131 |
|
19 |
57.7 |
123 |
Show |
|
09331-0707 |
RST3643 |
|
130 |
1.2 |
124 |
Show |
|
09359-0823 |
KPP1491 |
|
133 |
11.2 |
124 |
Show |
|
09188-0846 |
LDS3872 |
|
72 |
28.2 |
130 |
Show |
|
09336-0704 |
DAM1651 |
|
328 |
13.5 |
131 |
Show |
|
09193-0933 |
A 126 |
|
122 |
1.2 |
134 |
Show |
|
09338-1020 |
A 131 |
AB |
324 |
1.0 |
136 |
Show |
|
09338-1020 |
A 131 |
AC |
322 |
6.6 |
136 |
|
|
WDS 09276-0840 : COMPONENTS
|
A |
B |
B |
pa=154.8°
sep=283.80"
| |
C |
pa=85.1°
sep=254.07"
| pa=25.4°
sep=307.97"
|
09276-0840 A
Common name |
Alphard |
|
Meaning |
the lonely |
|
Other names |
KALBELALPHARD, COR HYDRAE, Alfard |
|
Coord arcsec 2000 |
092735.25-083931.3 |
|
Mag |
1.98 |
|
Spectral class |
K3II (yellow-orange) |
|
PmRA |
-14.00 |
|
PmDE |
33.0 |
|
SAO |
136871 |
|
HIP |
46390 |
|
Tycho2 |
5460-01592-1 |
|
HD |
81797 |
|
HR |
3748 |
|
GC |
13044 |
|
BD |
BD-08 2680 |
|
Bayer |
Alpha Hydrae |
|
Bayer name |
Alp Hya |
|
Flamsteed |
30 Hydrae |
|
Flamsteed name |
30 Hya |
|
FK5 |
354 |
|
Tycho2 |
5460-01592-1 |
|
Pflag |
|
|
RAmdeg |
141.89685049 |
|
DEmdeg |
-8.65860165 |
|
PmRA |
-14.4 |
|
PmDE |
33.3 |
|
E RAmdeg |
3 |
|
E DEmdeg |
4 |
|
E pmRA |
0.3 |
|
E pmDE |
0.3 |
|
EpRAm |
1989.91 |
|
EpDEm |
1989.05 |
|
Num |
24 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
1.0 |
|
Q pmDE |
1.0 |
|
BTmag |
3.879 |
|
E BTmag |
0.014 |
|
VTmag |
2.140 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
46390 |
|
CCDM |
|
|
RAdeg |
141.89688389 |
|
DEdeg |
-8.65867917 |
|
EpRA 1990 |
1.75 |
|
EpDE 1990 |
1.61 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.5 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
136871 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0012 |
|
DE1950 |
|
|
PmDE1950 |
0.028 |
|
Vmag |
2.2 |
|
SpType |
K2 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
354 |
|
DM |
BD-08 2680 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
81797 |
|
M HD |
0 |
|
GC |
13044 |
|
RA1950rad |
2.46584412 |
|
DE1950rad |
-0.14732261 |
|
PmRA2000 |
-0.0008 |
|
PmDE2000 |
0.033 |
|
Catalog |
H |
|
HIP |
46390 |
|
Proxy |
|
|
RAhms |
09 27 35.25 |
|
DEdms |
-08 39 31.3 |
|
Vmag |
1.99 |
|
VarFlag |
1 |
|
R Vmag |
H |
|
RAdeg |
141.897 |
|
DEdeg |
-8.65868 |
|
AstroRef |
|
|
Plx |
18.4 |
|
CCDM |
09277-0841 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
81797 |
|
BD |
BD-08 2680 |
|
CD |
|
|
CP |
|
|
Dm number |
-08 2680 |
|
VIred |
1.39 |
|
SpType |
K3III |
|
R SpType |
|
|
Coord arcsec 2000 |
092735.25-083931.3 |
|
HIP |
46390 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
2.4765677899 |
|
DErad |
-0.1511225285 |
|
Plx |
18.09 |
|
PmRA |
-15.23 |
|
PmDE |
34.37 |
|
E RArad |
0.16 |
|
E DErad |
0.11 |
|
E Plx |
0.18 |
|
E pmRA |
0.19 |
|
E pmDE |
0.13 |
|
Hpmag |
2.135 |
|
E Hpmag |
0.0006 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
1.44 |
|
E BV |
0 |
|
VI |
1.39 |
|
09276-0840 B
Coord arcsec 2000 |
092743.41-084348.0 |
|
Mag |
9.7 |
|
Spectral class |
III |
|
DM |
BD-08 2681 |
|
Calc delta mag |
7.72 |
|
Calc coord |
yes |
|
09276-0840 C
Coord arcsec 2000 |
092752.32-083909.8 |
|
Spectral class |
III |
|
PmRA |
-3.00 |
|
PmDE |
4.0 |
|
Calc delta mag |
1.98 |
|
Calc coord |
yes |
|