Exposure
ID
GRAVI.2021-12-31T03:56:36.628_1
Header ID
GRAVI.2021-12-31T03:56:36.628
Date updated
2021-12-31 04:06:44 UTC+0000
Release date
2022-12-31 04:06:44 UTC+0000
UTC Start
2021-12-31 03:56:36.628
UTC End
2021-12-31 03:59:16.628
MJD Start
59579.16431282
MJD End
59579.1661646719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005049
Ambient temperature (°C)
14.4
Seeing (arcsec)
0.575
Observation
ID
49125
Category
science
Program ID
108.222E.001
Program Title
THE ORIGIN OF BE STARS AND THE ELUSIVE MASSIVE HELIUM STARS
Program Type
Normal
PI / COI
SHENAR/ BODENSTEINER/ SANA/ DSILVA/ LANGER/ SCHÜRMANN/ OSKINOVA/ MAHY/ LANTHERMANN/ BORDIER/ FROST/ MARCHANT/ GILKIS/ KLUSKA
Target
ID
36760
Name
HD__44506
RA
95.149664
DEC
-34.14404
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.3180 89.4560 112.1000 112.5000
A0-J2 128.5060 128.6440 89.0000 89.4000
A0-J3 132.2800 132.2320 42.9050 43.2940
G1-J2 58.2220 58.2120 51.8000 52.2000
G1-J3 130.7730 130.7600 3.2140 3.5280
J2-J3 102.0790 102.1560 337.8860 338.1890
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.222E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59579.16431282
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44506
HIERARCH ESO INS SOBJ NAME HD__44506
RA 95.149664
DEC -34.14404
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.318
HIERARCH ESO ISS PBL12 END 89.456
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 128.506
HIERARCH ESO ISS PBL13 END 128.644
HIERARCH ESO ISS PBLA13 START 89.0
HIERARCH ESO ISS PBLA13 END 89.4
HIERARCH ESO ISS PBL14 START 132.28
HIERARCH ESO ISS PBL14 END 132.232
HIERARCH ESO ISS PBLA14 START 42.905
HIERARCH ESO ISS PBLA14 END 43.294
HIERARCH ESO ISS PBL23 START 58.222
HIERARCH ESO ISS PBL23 END 58.212
HIERARCH ESO ISS PBLA23 START 51.8
HIERARCH ESO ISS PBLA23 END 52.2
HIERARCH ESO ISS PBL24 START 130.773
HIERARCH ESO ISS PBL24 END 130.76
HIERARCH ESO ISS PBLA24 START 3.214
HIERARCH ESO ISS PBLA24 END 3.528
HIERARCH ESO ISS PBL34 START 102.079
HIERARCH ESO ISS PBL34 END 102.156
HIERARCH ESO ISS PBLA34 START 337.886
HIERARCH ESO ISS PBLA34 END 338.189
HIERARCH ESO ISS AMBI TAU0 START 0.005302
HIERARCH ESO ISS AMBI TAU0 END 0.004796
HIERARCH ESO ISS AMBI TEMP 14.4
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.52