Exposure
ID
GRAVI.2025-04-29T05:54:04.232_1
Header ID
GRAVI.2025-04-29T05:54:04.232
Date updated
2025-04-29 06:05:52 UTC+0000
Release date
2025-04-29 05:54:04 UTC+0000
UTC Start
2025-04-29 05:54:04.232
UTC End
2025-04-29 05:56:44.232
MJD Start
60794.24588231
MJD End
60794.24773416186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0051164999999999995
Ambient temperature (°C)
12.91
Seeing (arcsec)
0.515
Observation
ID
67041
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
49849
Name
HD_157097
RA
260.725476
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 82.1790 82.5580 101.6000 102.0000
A0-J2 120.7810 121.2370 76.7000 77.2000
A0-K0 124.1280 124.3880 54.9830 55.5160
G1-J2 57.6700 57.7220 40.0000 40.5000
G1-K0 90.2310 90.2140 13.5590 13.9650
J2-K0 46.3410 46.3920 339.9340 340.2070
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 60794.24588231
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.725476
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 82.179
HIERARCH ESO ISS PBL12 END 82.558
HIERARCH ESO ISS PBLA12 START 101.6
HIERARCH ESO ISS PBLA12 END 102.0
HIERARCH ESO ISS PBL13 START 120.781
HIERARCH ESO ISS PBL13 END 121.237
HIERARCH ESO ISS PBLA13 START 76.7
HIERARCH ESO ISS PBLA13 END 77.2
HIERARCH ESO ISS PBL14 START 124.128
HIERARCH ESO ISS PBL14 END 124.388
HIERARCH ESO ISS PBLA14 START 54.983
HIERARCH ESO ISS PBLA14 END 55.516
HIERARCH ESO ISS PBL23 START 57.67
HIERARCH ESO ISS PBL23 END 57.722
HIERARCH ESO ISS PBLA23 START 40.0
HIERARCH ESO ISS PBLA23 END 40.5
HIERARCH ESO ISS PBL24 START 90.231
HIERARCH ESO ISS PBL24 END 90.214
HIERARCH ESO ISS PBLA24 START 13.559
HIERARCH ESO ISS PBLA24 END 13.965
HIERARCH ESO ISS PBL34 START 46.341
HIERARCH ESO ISS PBL34 END 46.392
HIERARCH ESO ISS PBLA34 START 339.934
HIERARCH ESO ISS PBLA34 END 340.207
HIERARCH ESO ISS AMBI TAU0 START 0.00499
HIERARCH ESO ISS AMBI TAU0 END 0.005243
HIERARCH ESO ISS AMBI TEMP 12.91
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.51