Exposure
ID
GRAVI.2025-04-30T08:38:55.971_1
Header ID
GRAVI.2025-04-30T08:38:55.971
Date updated
2025-04-30 08:50:58 UTC+0000
Release date
2025-04-30 08:38:55 UTC+0000
UTC Start
2025-04-30 08:38:55.971
UTC End
2025-04-30 08:41:35.971
MJD Start
60795.36037003
MJD End
60795.36222188186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00515
Ambient temperature (°C)
11.74
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 48.4360 48.4530 159.4000 159.8000
A0-J2 126.1490 125.8610 103.1000 103.6000
A0-J6 161.3720 161.0670 33.7270 34.0150
B5-J2 107.1060 106.7660 81.0000 81.4000
B5-J6 193.6380 193.4140 21.9970 22.2840
J2-J6 166.1870 166.2360 348.4520 348.8170
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 60795.36037003
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 48.436
HIERARCH ESO ISS PBL12 END 48.453
HIERARCH ESO ISS PBLA12 START 159.4
HIERARCH ESO ISS PBLA12 END 159.8
HIERARCH ESO ISS PBL13 START 126.149
HIERARCH ESO ISS PBL13 END 125.861
HIERARCH ESO ISS PBLA13 START 103.1
HIERARCH ESO ISS PBLA13 END 103.6
HIERARCH ESO ISS PBL14 START 161.372
HIERARCH ESO ISS PBL14 END 161.067
HIERARCH ESO ISS PBLA14 START 33.727
HIERARCH ESO ISS PBLA14 END 34.015
HIERARCH ESO ISS PBL23 START 107.106
HIERARCH ESO ISS PBL23 END 106.766
HIERARCH ESO ISS PBLA23 START 81.0
HIERARCH ESO ISS PBLA23 END 81.4
HIERARCH ESO ISS PBL24 START 193.638
HIERARCH ESO ISS PBL24 END 193.414
HIERARCH ESO ISS PBLA24 START 21.997
HIERARCH ESO ISS PBLA24 END 22.284
HIERARCH ESO ISS PBL34 START 166.187
HIERARCH ESO ISS PBL34 END 166.236
HIERARCH ESO ISS PBLA34 START 348.452
HIERARCH ESO ISS PBLA34 END 348.817
HIERARCH ESO ISS AMBI TAU0 START 0.00515
HIERARCH ESO ISS AMBI TAU0 END 0.00515
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.64