Exposure
ID
GRAVI.2025-09-20T02:14:32.542_1
Header ID
GRAVI.2025-09-20T02:14:32.542
Date updated
2025-09-20 02:25:55 UTC+0000
Release date
2025-09-20 02:14:32 UTC+0000
UTC Start
2025-09-20 02:14:32.542
UTC End
2025-09-20 02:17:12.542
MJD Start
60938.0934322
MJD End
60938.09528405186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001879
Ambient temperature (°C)
14.07
Seeing (arcsec)
1.01
Observation
ID
70465
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
52251
Name
HD_179130
RA
287.977146
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 76.5100 76.0500 130.6000 131.1000
A0-J2 108.1550 107.2870 103.0000 103.3000
A0-K0 112.3460 111.5880 78.0950 78.1990
G1-J2 53.7520 53.5030 61.7000 61.7000
G1-K0 89.5530 89.4570 35.3920 35.4900
J2-K0 47.7240 47.7360 5.4630 5.7880
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 60938.0934322
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977146
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 76.51
HIERARCH ESO ISS PBL12 END 76.05
HIERARCH ESO ISS PBLA12 START 130.6
HIERARCH ESO ISS PBLA12 END 131.1
HIERARCH ESO ISS PBL13 START 108.155
HIERARCH ESO ISS PBL13 END 107.287
HIERARCH ESO ISS PBLA13 START 103.0
HIERARCH ESO ISS PBLA13 END 103.3
HIERARCH ESO ISS PBL14 START 112.346
HIERARCH ESO ISS PBL14 END 111.588
HIERARCH ESO ISS PBLA14 START 78.095
HIERARCH ESO ISS PBLA14 END 78.199
HIERARCH ESO ISS PBL23 START 53.752
HIERARCH ESO ISS PBL23 END 53.503
HIERARCH ESO ISS PBLA23 START 61.7
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 89.553
HIERARCH ESO ISS PBL24 END 89.457
HIERARCH ESO ISS PBLA24 START 35.392
HIERARCH ESO ISS PBLA24 END 35.49
HIERARCH ESO ISS PBL34 START 47.724
HIERARCH ESO ISS PBL34 END 47.736
HIERARCH ESO ISS PBLA34 START 5.463
HIERARCH ESO ISS PBLA34 END 5.788
HIERARCH ESO ISS AMBI TAU0 START 0.001851
HIERARCH ESO ISS AMBI TAU0 END 0.001907
HIERARCH ESO ISS AMBI TEMP 14.07
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 1.09