Exposure
ID
GRAVI.2025-11-24T03:56:44.582_1
Header ID
GRAVI.2025-11-24T03:56:44.582
Date updated
2025-11-24 04:10:53 UTC+0000
Release date
2025-11-24 03:56:44 UTC+0000
UTC Start
2025-11-24 03:56:44.582
UTC End
2025-11-24 03:59:56.582
MJD Start
61003.16440489
MJD End
61003.16662711222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.7949999999999999
Observation
ID
71845
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53286
Name
HD_50235
RA
102.715461
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 40.1520 40.4100 134.8000 135.0000
A0-D0 27.5610 27.6860 34.9000 35.8000
A0-G1 64.2450 65.0900 90.0780 90.5970
B5-D0 52.4710 52.5060 346.0000 346.4000
B5-G1 45.5700 45.9500 51.7200 52.6140
D0-G1 53.5140 54.0840 115.0860 115.3240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61003.16440489
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715461
DEC -34.36731
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 40.152
HIERARCH ESO ISS PBL12 END 40.41
HIERARCH ESO ISS PBLA12 START 134.8
HIERARCH ESO ISS PBLA12 END 135.0
HIERARCH ESO ISS PBL13 START 27.561
HIERARCH ESO ISS PBL13 END 27.686
HIERARCH ESO ISS PBLA13 START 34.9
HIERARCH ESO ISS PBLA13 END 35.8
HIERARCH ESO ISS PBL14 START 64.245
HIERARCH ESO ISS PBL14 END 65.09
HIERARCH ESO ISS PBLA14 START 90.078
HIERARCH ESO ISS PBLA14 END 90.597
HIERARCH ESO ISS PBL23 START 52.471
HIERARCH ESO ISS PBL23 END 52.506
HIERARCH ESO ISS PBLA23 START 346.0
HIERARCH ESO ISS PBLA23 END 346.4
HIERARCH ESO ISS PBL24 START 45.57
HIERARCH ESO ISS PBL24 END 45.95
HIERARCH ESO ISS PBLA24 START 51.72
HIERARCH ESO ISS PBLA24 END 52.614
HIERARCH ESO ISS PBL34 START 53.514
HIERARCH ESO ISS PBL34 END 54.084
HIERARCH ESO ISS PBLA34 START 115.086
HIERARCH ESO ISS PBLA34 END 115.324
HIERARCH ESO ISS AMBI TAU0 START 0.002841
HIERARCH ESO ISS AMBI TAU0 END 0.003159
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.74