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
Meaning the lonely
 
 
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

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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
 
 

09276-0840 H 6 111A mag 1.98 Sp K3II 09276-0840 H 6 111B sep 283.8 P.A. 154.80 mag 9.7 Sp III 09276-0840 H 6 111C sep 254.1 P.A. 85.10 Sp III virtual eyepiece
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Radius:
Components only
 
 
WDS 09276-0840 (Alphard) : ALADIN DSS IMAGE @ 09h 27m 35.25s -08° 39' 31.3"
 
 
 
 
WDS 09276-0840 H 6 111 AB (Alphard) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


09276-0840  H 6 111AB (Alphard) distance=0' 09279-0858  RST3638 distance=20' 09287-0827  SKF 429 distance=21' 09272-0913  A  1588AB distance=35' 09272-0913  BU  590AB,C distance=35' 09283-0805  BU  213 distance=36' 09289-0916  BEU  13 distance=42' 09252-0907  A  1587 distance=45' 09257-0919  HJ  814 distance=49' 09307-0821  RST3641 distance=50' 09244-0925  SKF 786 distance=66' 09322-0845  YSC 202 distance=69' 09268-0947  GWP1176 distance=69' 09300-0741  UC 1804 distance=70' 09290-0733  RST3639 distance=71' 09225-0828  A  1083 distance=76' 09288-0722  GIC  87 distance=80' 09233-0752  UC 1785 distance=80' 09283-0959  STF1357AB distance=81' 09283-0959  FYM 167AC distance=81' 09229-0753  BRT 428 distance=84' 09224-0759  TDS6512 distance=88' 09244-0725  HEI 352 distance=89' 09308-0723  LDS3901 distance=91' 09339-0841  GWP1195 distance=94' 09230-0735  UC 1784 distance=94' 09294-1013  TDS6596 distance=97' 09228-0950  A  1342AB distance=100' 09228-0950  RST5568AB,C distance=100' 09204-0821  J  1545 distance=109' 09203-0822  AG  339 distance=110' 09203-0817  GCB  24 distance=110' 09207-0742  BGH   4CA distance=116' 09207-0742  TOK 527CD distance=116' 09276-1036  GWP1181 distance=117' 09207-0742  A  1082AB distance=118' 09205-0933  SHJ 105AB distance=119' 09205-0933  GUI  13AD distance=119' 09196-0842  TDS6470 distance=119' 09261-0641  SKF 787 distance=122' 09249-1034  J  1547 distance=122' 09205-0933  DOO  49BC distance=122' 09333-0711  CBL 131 distance=123' 09331-0707  RST3643 distance=124' 09359-0823  KPP1491 distance=124' 09188-0846  LDS3872 distance=130' 09336-0704  DAM1651 distance=131' 09193-0933  A   126 distance=134' 09338-1020  A   131AB distance=136' 09338-1020  A   131AC distance=136' 09338-1020  WSI 142AD distance=136' grafico limitrofi
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
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
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
Hipparcos
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
Hipparcos 2
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