Exposure
ID
GRAVI.2025-11-19T04:26:33.005_1
Header ID
GRAVI.2025-11-19T04:26:33.005
Date updated
2025-11-19 04:55:53 UTC+0000
Release date
2025-11-19 04:26:33 UTC+0000
UTC Start
2025-11-19 04:26:33.005
UTC End
2025-11-19 04:29:45.005
MJD Start
60998.18510422
MJD End
60998.187326442225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006725999999999999
Ambient temperature (°C)
14.63
Seeing (arcsec)
0.67
Observation
ID
71777
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.2400 20.4040 125.5000 125.7000
A0-D0 27.9060 28.0330 37.3000 38.2000
A0-C1 16.6330 16.8360 91.5070 92.0100
B2-D0 33.9310 33.9310 0.7000 1.3000
B2-C1 11.3030 11.3030 0.7030 1.2370
D0-C1 22.6280 22.6280 180.7490 181.2840
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 60998.18510422
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 20.24
HIERARCH ESO ISS PBL12 END 20.404
HIERARCH ESO ISS PBLA12 START 125.5
HIERARCH ESO ISS PBLA12 END 125.7
HIERARCH ESO ISS PBL13 START 27.906
HIERARCH ESO ISS PBL13 END 28.033
HIERARCH ESO ISS PBLA13 START 37.3
HIERARCH ESO ISS PBLA13 END 38.2
HIERARCH ESO ISS PBL14 START 16.633
HIERARCH ESO ISS PBL14 END 16.836
HIERARCH ESO ISS PBLA14 START 91.507
HIERARCH ESO ISS PBLA14 END 92.01
HIERARCH ESO ISS PBL23 START 33.931
HIERARCH ESO ISS PBL23 END 33.931
HIERARCH ESO ISS PBLA23 START 0.7
HIERARCH ESO ISS PBLA23 END 1.3
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 0.703
HIERARCH ESO ISS PBLA24 END 1.237
HIERARCH ESO ISS PBL34 START 22.628
HIERARCH ESO ISS PBL34 END 22.628
HIERARCH ESO ISS PBLA34 START 180.749
HIERARCH ESO ISS PBLA34 END 181.284
HIERARCH ESO ISS AMBI TAU0 START 0.006958
HIERARCH ESO ISS AMBI TAU0 END 0.006494
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67