Exposure
ID
GRAVI.2025-04-06T07:29:48.282_1
Header ID
GRAVI.2025-04-06T07:29:48.282
Date updated
2025-04-06 07:40:52 UTC+0000
Release date
2025-04-06 07:29:48 UTC+0000
UTC Start
2025-04-06 07:29:48.282
UTC End
2025-04-06 07:33:00.282
MJD Start
60771.31236438
MJD End
60771.314586602224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0036245
Ambient temperature (°C)
13.63
Seeing (arcsec)
0.6000000000000001
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
DEC
-33.50683
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 24.2250 24.2940 134.8000 135.2000
A0-D0 31.4720 31.5390 61.1000 61.7000
A0-C1 21.5790 21.6650 107.0370 107.4790
B2-D0 33.9020 33.8950 17.8000 18.3000
B2-C1 11.2930 11.2910 17.7800 18.2590
D0-C1 22.6090 22.6050 197.8410 198.3200
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 60771.31236438
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 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 24.225
HIERARCH ESO ISS PBL12 END 24.294
HIERARCH ESO ISS PBLA12 START 134.8
HIERARCH ESO ISS PBLA12 END 135.2
HIERARCH ESO ISS PBL13 START 31.472
HIERARCH ESO ISS PBL13 END 31.539
HIERARCH ESO ISS PBLA13 START 61.1
HIERARCH ESO ISS PBLA13 END 61.7
HIERARCH ESO ISS PBL14 START 21.579
HIERARCH ESO ISS PBL14 END 21.665
HIERARCH ESO ISS PBLA14 START 107.037
HIERARCH ESO ISS PBLA14 END 107.479
HIERARCH ESO ISS PBL23 START 33.902
HIERARCH ESO ISS PBL23 END 33.895
HIERARCH ESO ISS PBLA23 START 17.8
HIERARCH ESO ISS PBLA23 END 18.3
HIERARCH ESO ISS PBL24 START 11.293
HIERARCH ESO ISS PBL24 END 11.291
HIERARCH ESO ISS PBLA24 START 17.78
HIERARCH ESO ISS PBLA24 END 18.259
HIERARCH ESO ISS PBL34 START 22.609
HIERARCH ESO ISS PBL34 END 22.605
HIERARCH ESO ISS PBLA34 START 197.841
HIERARCH ESO ISS PBLA34 END 198.32
HIERARCH ESO ISS AMBI TAU0 START 0.004126
HIERARCH ESO ISS AMBI TAU0 END 0.003123
HIERARCH ESO ISS AMBI TEMP 13.63
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.65