Exposure
ID
GRAVI.2025-11-19T04:34:42.025_1
Header ID
GRAVI.2025-11-19T04:34:42.025
Date updated
2025-11-19 05:11:16 UTC+0000
Release date
2025-11-19 04:34:42 UTC+0000
UTC Start
2025-11-19 04:34:42.025
UTC End
2025-11-19 04:37:54.025
MJD Start
60998.19076418
MJD End
60998.192986402224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007056
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.63
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 20.5970 20.7540 125.9000 126.1000
A0-D0 28.1870 28.3150 39.2000 40.0000
A0-C1 17.0770 17.2730 92.6090 93.0970
B2-D0 33.9310 33.9310 1.9000 2.4000
B2-C1 11.3030 11.3030 1.8820 2.4120
D0-C1 22.6280 22.6280 181.9300 182.4610
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 60998.19076418
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 20.597
HIERARCH ESO ISS PBL12 END 20.754
HIERARCH ESO ISS PBLA12 START 125.9
HIERARCH ESO ISS PBLA12 END 126.1
HIERARCH ESO ISS PBL13 START 28.187
HIERARCH ESO ISS PBL13 END 28.315
HIERARCH ESO ISS PBLA13 START 39.2
HIERARCH ESO ISS PBLA13 END 40.0
HIERARCH ESO ISS PBL14 START 17.077
HIERARCH ESO ISS PBL14 END 17.273
HIERARCH ESO ISS PBLA14 START 92.609
HIERARCH ESO ISS PBLA14 END 93.097
HIERARCH ESO ISS PBL23 START 33.931
HIERARCH ESO ISS PBL23 END 33.931
HIERARCH ESO ISS PBLA23 START 1.9
HIERARCH ESO ISS PBLA23 END 2.4
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 1.882
HIERARCH ESO ISS PBLA24 END 2.412
HIERARCH ESO ISS PBL34 START 22.628
HIERARCH ESO ISS PBL34 END 22.628
HIERARCH ESO ISS PBLA34 START 181.93
HIERARCH ESO ISS PBLA34 END 182.461
HIERARCH ESO ISS AMBI TAU0 START 0.00718
HIERARCH ESO ISS AMBI TAU0 END 0.006932
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.64