Exposure
ID
GRAVI.2025-04-30T08:42:13.980_1
Header ID
GRAVI.2025-04-30T08:42:13.980
Date updated
2025-04-30 08:50:58 UTC+0000
Release date
2025-04-30 08:42:13 UTC+0000
UTC Start
2025-04-30 08:42:13.980
UTC End
2025-04-30 08:44:53.980
MJD Start
60795.3626618
MJD End
60795.36451365185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.64
Observation
ID
67066
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
49866
Name
HD_157097
RA
260.726871
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.4540 48.4700 159.8000 160.2000
A0-J2 125.8290 125.5290 103.6000 104.1000
A0-J6 161.0340 160.7220 34.0420 34.3300
B5-J2 106.7290 106.3790 81.5000 81.9000
B5-J6 193.3900 193.1610 22.3110 22.5980
J2-J6 166.2420 166.2880 348.8530 349.2210
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 60795.3626618
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.726871
DEC -37.22101
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.454
HIERARCH ESO ISS PBL12 END 48.47
HIERARCH ESO ISS PBLA12 START 159.8
HIERARCH ESO ISS PBLA12 END 160.2
HIERARCH ESO ISS PBL13 START 125.829
HIERARCH ESO ISS PBL13 END 125.529
HIERARCH ESO ISS PBLA13 START 103.6
HIERARCH ESO ISS PBLA13 END 104.1
HIERARCH ESO ISS PBL14 START 161.034
HIERARCH ESO ISS PBL14 END 160.722
HIERARCH ESO ISS PBLA14 START 34.042
HIERARCH ESO ISS PBLA14 END 34.33
HIERARCH ESO ISS PBL23 START 106.729
HIERARCH ESO ISS PBL23 END 106.379
HIERARCH ESO ISS PBLA23 START 81.5
HIERARCH ESO ISS PBLA23 END 81.9
HIERARCH ESO ISS PBL24 START 193.39
HIERARCH ESO ISS PBL24 END 193.161
HIERARCH ESO ISS PBLA24 START 22.311
HIERARCH ESO ISS PBLA24 END 22.598
HIERARCH ESO ISS PBL34 START 166.242
HIERARCH ESO ISS PBL34 END 166.288
HIERARCH ESO ISS PBLA34 START 348.853
HIERARCH ESO ISS PBLA34 END 349.221
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64