Exposure
ID
GRAVI.2025-11-16T06:36:23.567_1
Header ID
GRAVI.2025-11-16T06:36:23.567
Date updated
2025-11-16 06:51:47 UTC+0000
Release date
2025-11-16 06:36:23 UTC+0000
UTC Start
2025-11-16 06:36:23.567
UTC End
2025-11-16 06:39:35.567
MJD Start
60995.27527277
MJD End
60995.277494992224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003478
Ambient temperature (°C)
11.52
Seeing (arcsec)
0.5900000000000001
Observation
ID
71781
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
53289
Name
HD_58215
RA
110.86846
DEC
-27.83432
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 23.9770 24.0600 133.1000 133.4000
A0-D0 30.0280 30.1580 56.5000 57.1000
A0-C1 20.7280 20.8510 105.1360 105.4770
B2-D0 33.8010 33.8110 12.9000 13.4000
B2-C1 11.2600 11.2630 12.8620 13.3650
D0-C1 22.5410 22.5480 192.9210 193.4240
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 60995.27527277
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 58215
HIERARCH ESO INS SOBJ NAME HD_58215
RA 110.86846
DEC -27.83432
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 23.977
HIERARCH ESO ISS PBL12 END 24.06
HIERARCH ESO ISS PBLA12 START 133.1
HIERARCH ESO ISS PBLA12 END 133.4
HIERARCH ESO ISS PBL13 START 30.028
HIERARCH ESO ISS PBL13 END 30.158
HIERARCH ESO ISS PBLA13 START 56.5
HIERARCH ESO ISS PBLA13 END 57.1
HIERARCH ESO ISS PBL14 START 20.728
HIERARCH ESO ISS PBL14 END 20.851
HIERARCH ESO ISS PBLA14 START 105.136
HIERARCH ESO ISS PBLA14 END 105.477
HIERARCH ESO ISS PBL23 START 33.801
HIERARCH ESO ISS PBL23 END 33.811
HIERARCH ESO ISS PBLA23 START 12.9
HIERARCH ESO ISS PBLA23 END 13.4
HIERARCH ESO ISS PBL24 START 11.26
HIERARCH ESO ISS PBL24 END 11.263
HIERARCH ESO ISS PBLA24 START 12.862
HIERARCH ESO ISS PBLA24 END 13.365
HIERARCH ESO ISS PBL34 START 22.541
HIERARCH ESO ISS PBL34 END 22.548
HIERARCH ESO ISS PBLA34 START 192.921
HIERARCH ESO ISS PBLA34 END 193.424
HIERARCH ESO ISS AMBI TAU0 START 0.003433
HIERARCH ESO ISS AMBI TAU0 END 0.003523
HIERARCH ESO ISS AMBI TEMP 11.52
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.63