Exposure
ID
GRAVI.2025-04-05T06:25:55.377_1
Header ID
GRAVI.2025-04-05T06:25:55.377
Date updated
2025-04-05 06:40:42 UTC+0000
Release date
2025-04-05 06:25:55 UTC+0000
UTC Start
2025-04-05 06:25:55.377
UTC End
2025-04-05 06:29:07.377
MJD Start
60770.26800205
MJD End
60770.27022427222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008871500000000001
Ambient temperature (°C)
14.12
Seeing (arcsec)
0.44499999999999995
Observation
ID
66036
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
49157
Name
HD_168592
RA
275.574244
DEC
-38.65706
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 18.0520 18.2430 120.7000 120.9000
A0-D0 27.9430 28.0380 28.4000 29.3000
A0-C1 14.9150 15.1270 82.1050 82.7910
B2-D0 33.8680 33.8690 356.2000 356.7000
B2-C1 11.2810 11.2820 356.1680 356.7020
D0-C1 22.5860 22.5880 176.2100 176.7450
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 60770.26800205
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.574244
DEC -38.65706
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 18.052
HIERARCH ESO ISS PBL12 END 18.243
HIERARCH ESO ISS PBLA12 START 120.7
HIERARCH ESO ISS PBLA12 END 120.9
HIERARCH ESO ISS PBL13 START 27.943
HIERARCH ESO ISS PBL13 END 28.038
HIERARCH ESO ISS PBLA13 START 28.4
HIERARCH ESO ISS PBLA13 END 29.3
HIERARCH ESO ISS PBL14 START 14.915
HIERARCH ESO ISS PBL14 END 15.127
HIERARCH ESO ISS PBLA14 START 82.105
HIERARCH ESO ISS PBLA14 END 82.791
HIERARCH ESO ISS PBL23 START 33.868
HIERARCH ESO ISS PBL23 END 33.869
HIERARCH ESO ISS PBLA23 START 356.2
HIERARCH ESO ISS PBLA23 END 356.7
HIERARCH ESO ISS PBL24 START 11.281
HIERARCH ESO ISS PBL24 END 11.282
HIERARCH ESO ISS PBLA24 START 356.168
HIERARCH ESO ISS PBLA24 END 356.702
HIERARCH ESO ISS PBL34 START 22.586
HIERARCH ESO ISS PBL34 END 22.588
HIERARCH ESO ISS PBLA34 START 176.21
HIERARCH ESO ISS PBLA34 END 176.745
HIERARCH ESO ISS AMBI TAU0 START 0.008063
HIERARCH ESO ISS AMBI TAU0 END 0.00968
HIERARCH ESO ISS AMBI TEMP 14.12
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.42