Exposure
ID
GRAVI.2025-04-29T05:50:46.224_1
Header ID
GRAVI.2025-04-29T05:50:46.224
Date updated
2025-04-29 06:00:53 UTC+0000
Release date
2025-04-29 05:50:46 UTC+0000
UTC Start
2025-04-29 05:50:46.224
UTC End
2025-04-29 05:53:26.224
MJD Start
60794.24359055
MJD End
60794.24544240186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0047139999999999994
Ambient temperature (°C)
13.04
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 81.7490 82.1380 101.1000 101.5000
A0-J2 120.2620 120.7310 76.2000 76.7000
A0-K0 123.8320 124.1000 54.3900 54.9280
G1-J2 57.6090 57.6640 39.4000 39.9000
G1-K0 90.2490 90.2330 13.1110 13.5180
J2-K0 46.2820 46.3350 339.6370 339.9080
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 60794.24359055
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 81.749
HIERARCH ESO ISS PBL12 END 82.138
HIERARCH ESO ISS PBLA12 START 101.1
HIERARCH ESO ISS PBLA12 END 101.5
HIERARCH ESO ISS PBL13 START 120.262
HIERARCH ESO ISS PBL13 END 120.731
HIERARCH ESO ISS PBLA13 START 76.2
HIERARCH ESO ISS PBLA13 END 76.7
HIERARCH ESO ISS PBL14 START 123.832
HIERARCH ESO ISS PBL14 END 124.1
HIERARCH ESO ISS PBLA14 START 54.39
HIERARCH ESO ISS PBLA14 END 54.928
HIERARCH ESO ISS PBL23 START 57.609
HIERARCH ESO ISS PBL23 END 57.664
HIERARCH ESO ISS PBLA23 START 39.4
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 90.249
HIERARCH ESO ISS PBL24 END 90.233
HIERARCH ESO ISS PBLA24 START 13.111
HIERARCH ESO ISS PBLA24 END 13.518
HIERARCH ESO ISS PBL34 START 46.282
HIERARCH ESO ISS PBL34 END 46.335
HIERARCH ESO ISS PBLA34 START 339.637
HIERARCH ESO ISS PBLA34 END 339.908
HIERARCH ESO ISS AMBI TAU0 START 0.004438
HIERARCH ESO ISS AMBI TAU0 END 0.00499
HIERARCH ESO ISS AMBI TEMP 13.04
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.52