Exposure
ID
GRAVI.2025-11-16T05:35:41.413_1
Header ID
GRAVI.2025-11-16T05:35:41.413
Date updated
2025-11-16 05:52:12 UTC+0000
Release date
2025-11-16 05:35:41 UTC+0000
UTC Start
2025-11-16 05:35:41.413
UTC End
2025-11-16 05:38:53.413
MJD Start
60995.23311821
MJD End
60995.23534043223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0037210000000000003
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.515
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 22.4570 22.5760 129.1000 129.4000
A0-D0 29.8480 29.9650 49.5000 50.3000
A0-C1 19.4170 19.5690 98.8500 99.3020
B2-D0 33.9340 33.9340 8.9000 9.5000
B2-C1 11.3040 11.3040 8.9100 9.4300
D0-C1 22.6300 22.6300 188.9640 189.4850
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 60995.23311821
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 22.457
HIERARCH ESO ISS PBL12 END 22.576
HIERARCH ESO ISS PBLA12 START 129.1
HIERARCH ESO ISS PBLA12 END 129.4
HIERARCH ESO ISS PBL13 START 29.848
HIERARCH ESO ISS PBL13 END 29.965
HIERARCH ESO ISS PBLA13 START 49.5
HIERARCH ESO ISS PBLA13 END 50.3
HIERARCH ESO ISS PBL14 START 19.417
HIERARCH ESO ISS PBL14 END 19.569
HIERARCH ESO ISS PBLA14 START 98.85
HIERARCH ESO ISS PBLA14 END 99.302
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 8.9
HIERARCH ESO ISS PBLA23 END 9.5
HIERARCH ESO ISS PBL24 START 11.304
HIERARCH ESO ISS PBL24 END 11.304
HIERARCH ESO ISS PBLA24 START 8.91
HIERARCH ESO ISS PBLA24 END 9.43
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 188.964
HIERARCH ESO ISS PBLA34 END 189.485
HIERARCH ESO ISS AMBI TAU0 START 0.00402
HIERARCH ESO ISS AMBI TAU0 END 0.003422
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.55