MK Standard Stars Online

3.6 Angstrom resolution


This database contains 3.6 angstrom resolution spectra of selected MK standard spectral types centered in the blue-violet.
There is also a page of spectra for 1.8 angstrom resolution

Star Names enclosed in parentheses ( ) are not specifically MK standards, but fit well as that spectral type, determined by R. O. Gray

Stars qualified by an (n) contain broadened absorption features due to rapid rotation.


SpT LmT: Dwarf ----- --- Giant --- -----SuperGiant
O4 HD46223   O4 V
O5
O6 HD46150   O6 V
O7 15 Mon   O7 V
O8 HD46149   O8 V
O9 HD46202   O9 V Iot Ori   O9 III
Pecular O-types

B0 Eps Per   B0.5 III Eps Ori   B0 Ia
B1 Ome1 Sco   B1 V Bet CMa   B1 II-III Zet Per   B1 Ib Kap Cas   B1 Ia
B2 22 Sco   B2 V Gam Peg   B2 IV Pi4 Ori   B2 III Chi2 Ori   B2 Ia
B3 29 Per   B3 V
Iot Her   B3 V
B4
B5 HD36936   B5 V Tau Ori   B5 III Eta CMa   B5 Ia
B6
B7 HR1029   B7 V Bet Tau   B7 III
B8 Bet Per   B8 V 27 Tau   B8 III 13 Cep   B8 Ib
B9 HR749a   B9 V Alp Del   B9 IV (Gam Lyr)   B9 II HR1035   B9 Ia
Pecular B-types

A0 HR3314   A0 V
VEGA   A0 V
Alp Dra   A0 III Eta Leo   A0 Ib HR1040   A0 Ia
A1 HR2324   A1 V HR8717   A1 IV
A2 HR2996   A2 Ib
A3 Bet Leo   A3 V Bet Eri   A3 IV
A4
A5 HD23194   A5 V Bet Tri   A5 IV HD73210   A5 III HD147084   A5 II HR2874   A5 Ib HR825   A5 Ia
A6
A7 21_LMi   A7 V
2 Hya   A7 V
HD23156   A7 V
The2 Tau   A7 III
A8
A9
Pecular A-types

F0 HD23585   F0 V Zet Leo   F0 III HR292   F0 II Phi Cas   F0 Ia
F1
F2 78 UMa   F2 V HR8765   F2 V Bet Cas   F2 III
HR7222   F2 III
Nu Aql   F2 Ib
F3 HR1279   F3 V
F4
F5 HD27524   F5 V
HR5634   F5 V
PROCYON   F5 V-IV
HR 2706   F5 III-IV 60 UMa   F5 III HR7495   F5 II-III Alp Per   F5 Ib HD10494   F5 Ia
F6 Gam Ser   F6 V Alp Tri   F6 IV HR831   F6 III-IV
HR 6577   F6 III-IV
F7
F8 HD27808   F8 V HR 8905   F8 III
Nu Peg   F8 III
Gam Cyg   F8 Ib Del Cma   F8 Ia
F9 Eta Cas A   F9 V
Pecular F-types

G0 Bet CVn   G0 V Eta Boo   G0 IV 31 Com   G0 III
81 Psc   G0 IIIa
HR 7456   G0 Ib-II
83 Vir   G0 Ib-IIa
Bet Aqr   G0 Ib HR 4511 G0 0-Ia Fe-1
G1 16 CygA   G1.5 V
G2 Moon (Sol)   G2 V
18_Sco   G2 Va
Phi Vir   G2 IV
Kap Del   G2 IV
84 Her   G2 IIIb 61 Peg   G2 II-III Bet Dra   G2 Ib-IIa
Alp Aqr   G2 Ib
HR157   G2 Ib-II
HD96746   G2 Iab-Ib
R Pup   G2 0-Ia
G3 16 CygB   G3 V 37 LMi   G2.5 IIa
G4 70 Vir   G4 V 24 UMa   G4 IV HR 4255   G4 III Ome2 Sco   G4 II-III HD 6474   G4 Ia
HR8752   G4 0
G5 Kap Cet (rec)
Kap Cet (nfx)   G5 V
Mu Her (rec)
Mu Her (nfx)   G5 IV
Omi UMa   G5 IIIa
HR 7788 (rec)
HR 7788 (nor)   G5 IIIa
HR 1327   G5 IIb 9 Peg (rec)
9 Peg (nor)   G5 Ib
HD 49396   G5 Iab
G6 59 Ari   G6 IV 6 UMa   G6 III
G7 HR 3212   G7 III 55 Cam   G7 II BD+29 3865   G7 Ia
G8 61 UMa (rec)
61 UMa (nfx)   G8 V
Bet Aql (rec)
Bet Aql (nfx)   G8 IV
Mu Peg   G8+ III
Eps Vir (rec)
Eps Vir (nor)   G8 III
Kap Gem (rec)
Kap Gem (nor)   G8 III
49 Cyg   G8 IIb Eps Gem (rec)
Eps Gem (nor)   G8 Ib
HD 268757   G8 O
G9 Bet LMi (rec)   G9 III
Bet LMi (nor)   G9 III
Kap Aur   G9 IIIb
HR 8952   G9 Ib
Pecular G-types HR8626 (rec)
HR8626 (nor)   G3 Ib-II: CN-1 CH2 Fe-1
HR885(rec)
HR885 (nor)   G5 III: CN-4 CH-1
HR6791 (nor)
HR6791 (rec)   G8III: CN-1 CH-3
37 Com (rec)
37 Com (nor)   G9 III: CH-2
HD217143 (rec)
HD217143 (nor)   G9.5 III: BA 2+
HR 4511   G0 0-Ia: Fe-1
..continued HR 5270   G8 II: Fe-5

K0 54 Psc (rec)
54 Psc (nfx)   K0 V
Eta Cep (rec)
Eta Cep (nfx)   K0 IVB
Iot Cep   K0 III
Del Cnc (rec)
Del Cnc (nor)   K0 III
Eta Cyg (rec)
Eta Cyg (nor)   K0 III
The Lyr (rec)
The Lyr (nfx)   K0 II
HR 5171a   K0 0-Ia
K1 37 Lib   K1 III-IV 90_Her   K1 IIIb The_Her   K1 IIa CN2 Zet Cep   K1.5 Ib
K2 HD184467   K2 V Kap Oph (rec)
Kap Oph (nor)   K2 III
109 Her (nor)   K2 IIIab
Kap Leo   K2 III
Sig Oph   K2 II Eps Peg   K2 Ib-II RW Cep   K2 0-Ia
K3 HR 753   K3 V 39 Cyg   K3 III
K4 HR 513   K4 III Xi Cyg   K4.5 Ib
HD219978   K4.5 Ib
K5 61 CygA   K5 V Gam Dra   K5 III
Alp Tau   K5 III
K6 HR152   K6 III
K7 61 CygB   K7 V Alp Lyn   K7 III
HR 341   K7 III
HD 181475   K7 IIa HD 52877   K7 Ib
Pecular K-types Phi2 Ori   K0 IIIb: Fe-2 HD112127   K2.5 III: CN3 Ba-0.5 C20.5 HD88230   K6e V: Fe-1

M0 Gl172   M0.5 V
M1
M2 Gl15A   M2 V Chi Peg   M2 III HD10465   M2 Ib Mu Cep   M2 Ia
119 Tau   M2 Ia
M3 GL15B   M3.5 V
M4 Omi2 EriC   M4.5 V HR3577   M4 III
M5
M6
M7 BK Vir   M7 III
Pecular M-types

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