Exposure
ID
GRAVI.2025-05-27T09:27:11.254_1
Header ID
GRAVI.2025-05-27T09:27:11.254
Date updated
2025-05-27 09:36:12 UTC+0000
Release date
2025-05-27 09:27:11 UTC+0000
UTC Start
2025-05-27 09:27:11.254
UTC End
2025-05-27 09:29:51.254
MJD Start
60822.39388025
MJD End
60822.39573210185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0035830000000000002
Ambient temperature (°C)
11.92
Seeing (arcsec)
0.5
Observation
ID
67612
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
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
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 80.0120 79.5880 127.1000 127.5000
A0-J2 114.4960 113.7520 100.8000 101.1000
A0-K0 117.7440 117.1240 77.2110 77.3280
G1-J2 55.4950 55.2990 61.2000 61.3000
G1-K0 90.1430 90.0850 34.4580 34.5900
J2-K0 47.6560 47.6620 2.8470 3.1790
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 60822.39388025
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
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 80.012
HIERARCH ESO ISS PBL12 END 79.588
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 127.5
HIERARCH ESO ISS PBL13 START 114.496
HIERARCH ESO ISS PBL13 END 113.752
HIERARCH ESO ISS PBLA13 START 100.8
HIERARCH ESO ISS PBLA13 END 101.1
HIERARCH ESO ISS PBL14 START 117.744
HIERARCH ESO ISS PBL14 END 117.124
HIERARCH ESO ISS PBLA14 START 77.211
HIERARCH ESO ISS PBLA14 END 77.328
HIERARCH ESO ISS PBL23 START 55.495
HIERARCH ESO ISS PBL23 END 55.299
HIERARCH ESO ISS PBLA23 START 61.2
HIERARCH ESO ISS PBLA23 END 61.3
HIERARCH ESO ISS PBL24 START 90.143
HIERARCH ESO ISS PBL24 END 90.085
HIERARCH ESO ISS PBLA24 START 34.458
HIERARCH ESO ISS PBLA24 END 34.59
HIERARCH ESO ISS PBL34 START 47.656
HIERARCH ESO ISS PBL34 END 47.662
HIERARCH ESO ISS PBLA34 START 2.847
HIERARCH ESO ISS PBLA34 END 3.179
HIERARCH ESO ISS AMBI TAU0 START 0.003543
HIERARCH ESO ISS AMBI TAU0 END 0.003623
HIERARCH ESO ISS AMBI TEMP 11.92
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47