Exposure
ID
GRAVI.2025-05-23T06:46:52.449_1
Header ID
GRAVI.2025-05-23T06:46:52.449
Date updated
2025-05-23 07:00:52 UTC+0000
Release date
2025-05-23 06:46:52 UTC+0000
UTC Start
2025-05-23 06:46:52.449
UTC End
2025-05-23 06:50:04.449
MJD Start
60818.28255149
MJD End
60818.28477371223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0029839999999999997
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.675
Observation
ID
67542
Category
calibrator
Program ID
115.27VK.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
Target
ID
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.1210 65.8870 281.8000 282.4000
K0-D0 91.5570 91.1660 260.6000 261.1000
K0-J3 56.5270 56.5350 341.4340 341.9220
G2-D0 38.3020 38.1970 222.0000 222.3000
G2-J3 61.5440 61.3420 49.3940 49.7470
D0-J3 99.6470 99.3400 46.5410 46.8870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60818.28255149
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 66.121
HIERARCH ESO ISS PBL12 END 65.887
HIERARCH ESO ISS PBLA12 START 281.8
HIERARCH ESO ISS PBLA12 END 282.4
HIERARCH ESO ISS PBL13 START 91.557
HIERARCH ESO ISS PBL13 END 91.166
HIERARCH ESO ISS PBLA13 START 260.6
HIERARCH ESO ISS PBLA13 END 261.1
HIERARCH ESO ISS PBL14 START 56.527
HIERARCH ESO ISS PBL14 END 56.535
HIERARCH ESO ISS PBLA14 START 341.434
HIERARCH ESO ISS PBLA14 END 341.922
HIERARCH ESO ISS PBL23 START 38.302
HIERARCH ESO ISS PBL23 END 38.197
HIERARCH ESO ISS PBLA23 START 222.0
HIERARCH ESO ISS PBLA23 END 222.3
HIERARCH ESO ISS PBL24 START 61.544
HIERARCH ESO ISS PBL24 END 61.342
HIERARCH ESO ISS PBLA24 START 49.394
HIERARCH ESO ISS PBLA24 END 49.747
HIERARCH ESO ISS PBL34 START 99.647
HIERARCH ESO ISS PBL34 END 99.34
HIERARCH ESO ISS PBLA34 START 46.541
HIERARCH ESO ISS PBLA34 END 46.887
HIERARCH ESO ISS AMBI TAU0 START 0.003084
HIERARCH ESO ISS AMBI TAU0 END 0.002884
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.7