Exposure
ID
GRAVI.2025-09-21T01:08:21.398_1
Header ID
GRAVI.2025-09-21T01:08:21.398
Date updated
2025-09-21 01:20:46 UTC+0000
Release date
2025-09-21 01:08:21 UTC+0000
UTC Start
2025-09-21 01:08:21.398
UTC End
2025-09-21 01:11:01.398
MJD Start
60939.04746988
MJD End
60939.04932173186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002162
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.72
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 84.9910 84.6560 122.2000 122.6000
A0-J2 122.6800 122.1650 97.7000 98.0000
A0-K0 124.2280 123.8450 75.5030 75.6440
G1-J2 57.4450 57.3380 59.9000 60.0000
G1-K0 90.4830 90.4830 32.3320 32.5190
J2-K0 47.6370 47.6340 358.4460 358.7820
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 60939.04746988
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 84.991
HIERARCH ESO ISS PBL12 END 84.656
HIERARCH ESO ISS PBLA12 START 122.2
HIERARCH ESO ISS PBLA12 END 122.6
HIERARCH ESO ISS PBL13 START 122.68
HIERARCH ESO ISS PBL13 END 122.165
HIERARCH ESO ISS PBLA13 START 97.7
HIERARCH ESO ISS PBLA13 END 98.0
HIERARCH ESO ISS PBL14 START 124.228
HIERARCH ESO ISS PBL14 END 123.845
HIERARCH ESO ISS PBLA14 START 75.503
HIERARCH ESO ISS PBLA14 END 75.644
HIERARCH ESO ISS PBL23 START 57.445
HIERARCH ESO ISS PBL23 END 57.338
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 90.483
HIERARCH ESO ISS PBL24 END 90.483
HIERARCH ESO ISS PBLA24 START 32.332
HIERARCH ESO ISS PBLA24 END 32.519
HIERARCH ESO ISS PBL34 START 47.637
HIERARCH ESO ISS PBL34 END 47.634
HIERARCH ESO ISS PBLA34 START 358.446
HIERARCH ESO ISS PBLA34 END 358.782
HIERARCH ESO ISS AMBI TAU0 START 0.002162
HIERARCH ESO ISS AMBI TAU0 END 0.002162
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.7