Exposure
ID
GRAVI.2025-11-19T04:42:51.046_1
Header ID
GRAVI.2025-11-19T04:42:51.046
Date updated
2025-11-19 05:20:51 UTC+0000
Release date
2025-11-19 04:42:51 UTC+0000
UTC Start
2025-11-19 04:42:51.046
UTC End
2025-11-19 04:46:03.046
MJD Start
60998.19642414
MJD End
60998.19864636222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0079235
Ambient temperature (°C)
14.4
Seeing (arcsec)
0.6950000000000001
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 20.9400 21.0910 126.4000 126.6000
A0-D0 28.4690 28.5970 41.0000 41.9000
A0-C1 17.5050 17.6940 93.6830 94.1640
B2-D0 33.9310 33.9320 3.1000 3.6000
B2-C1 11.3030 11.3030 3.0550 3.5870
D0-C1 22.6290 22.6290 183.1040 183.6370
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 60998.19642414
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 20.94
HIERARCH ESO ISS PBL12 END 21.091
HIERARCH ESO ISS PBLA12 START 126.4
HIERARCH ESO ISS PBLA12 END 126.6
HIERARCH ESO ISS PBL13 START 28.469
HIERARCH ESO ISS PBL13 END 28.597
HIERARCH ESO ISS PBLA13 START 41.0
HIERARCH ESO ISS PBLA13 END 41.9
HIERARCH ESO ISS PBL14 START 17.505
HIERARCH ESO ISS PBL14 END 17.694
HIERARCH ESO ISS PBLA14 START 93.683
HIERARCH ESO ISS PBLA14 END 94.164
HIERARCH ESO ISS PBL23 START 33.931
HIERARCH ESO ISS PBL23 END 33.932
HIERARCH ESO ISS PBLA23 START 3.1
HIERARCH ESO ISS PBLA23 END 3.6
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 3.055
HIERARCH ESO ISS PBLA24 END 3.587
HIERARCH ESO ISS PBL34 START 22.629
HIERARCH ESO ISS PBL34 END 22.629
HIERARCH ESO ISS PBLA34 START 183.104
HIERARCH ESO ISS PBLA34 END 183.637
HIERARCH ESO ISS AMBI TAU0 START 0.007609
HIERARCH ESO ISS AMBI TAU0 END 0.008238
HIERARCH ESO ISS AMBI TEMP 14.4
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.62