Exposure
ID
GRAVI.2025-05-23T06:38:37.428_1
Header ID
GRAVI.2025-05-23T06:38:37.428
Date updated
2025-05-23 06:50:51 UTC+0000
Release date
2025-05-23 06:38:37 UTC+0000
UTC Start
2025-05-23 06:38:37.428
UTC End
2025-05-23 06:41:49.428
MJD Start
60818.27682208
MJD End
60818.279044302224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0038055
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.6699999999999999
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 66.6020 66.3930 280.6000 281.1000
K0-D0 92.3700 92.0160 259.5000 260.0000
K0-J3 56.5040 56.5150 340.3620 340.8420
G2-D0 38.5240 38.4270 221.2000 221.5000
G2-J3 61.9670 61.7820 48.5960 48.9590
D0-J3 100.2920 100.0100 45.7570 46.1130
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 60818.27682208
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 66.602
HIERARCH ESO ISS PBL12 END 66.393
HIERARCH ESO ISS PBLA12 START 280.6
HIERARCH ESO ISS PBLA12 END 281.1
HIERARCH ESO ISS PBL13 START 92.37
HIERARCH ESO ISS PBL13 END 92.016
HIERARCH ESO ISS PBLA13 START 259.5
HIERARCH ESO ISS PBLA13 END 260.0
HIERARCH ESO ISS PBL14 START 56.504
HIERARCH ESO ISS PBL14 END 56.515
HIERARCH ESO ISS PBLA14 START 340.362
HIERARCH ESO ISS PBLA14 END 340.842
HIERARCH ESO ISS PBL23 START 38.524
HIERARCH ESO ISS PBL23 END 38.427
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.5
HIERARCH ESO ISS PBL24 START 61.967
HIERARCH ESO ISS PBL24 END 61.782
HIERARCH ESO ISS PBLA24 START 48.596
HIERARCH ESO ISS PBLA24 END 48.959
HIERARCH ESO ISS PBL34 START 100.292
HIERARCH ESO ISS PBL34 END 100.01
HIERARCH ESO ISS PBLA34 START 45.757
HIERARCH ESO ISS PBLA34 END 46.113
HIERARCH ESO ISS AMBI TAU0 START 0.003847
HIERARCH ESO ISS AMBI TAU0 END 0.003764
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.62