Exposure
ID
GRAVI.2025-09-21T01:05:03.390_1
Header ID
GRAVI.2025-09-21T01:05:03.390
Date updated
2025-09-21 01:16:03 UTC+0000
Release date
2025-09-21 01:05:03 UTC+0000
UTC Start
2025-09-21 01:05:03.390
UTC End
2025-09-21 01:07:43.390
MJD Start
60939.04517812
MJD End
60939.04702997186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002029
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.79
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 85.3500 85.0240 121.9000 122.2000
A0-J2 123.2250 122.7310 97.5000 97.7000
A0-K0 124.6290 124.2660 75.3450 75.4880
G1-J2 57.5550 57.4560 59.7000 59.9000
G1-K0 90.4780 90.4830 32.1220 32.3130
J2-K0 47.6410 47.6370 358.0770 358.4120
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 60939.04517812
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 85.35
HIERARCH ESO ISS PBL12 END 85.024
HIERARCH ESO ISS PBLA12 START 121.9
HIERARCH ESO ISS PBLA12 END 122.2
HIERARCH ESO ISS PBL13 START 123.225
HIERARCH ESO ISS PBL13 END 122.731
HIERARCH ESO ISS PBLA13 START 97.5
HIERARCH ESO ISS PBLA13 END 97.7
HIERARCH ESO ISS PBL14 START 124.629
HIERARCH ESO ISS PBL14 END 124.266
HIERARCH ESO ISS PBLA14 START 75.345
HIERARCH ESO ISS PBLA14 END 75.488
HIERARCH ESO ISS PBL23 START 57.555
HIERARCH ESO ISS PBL23 END 57.456
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.9
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.483
HIERARCH ESO ISS PBLA24 START 32.122
HIERARCH ESO ISS PBLA24 END 32.313
HIERARCH ESO ISS PBL34 START 47.641
HIERARCH ESO ISS PBL34 END 47.637
HIERARCH ESO ISS PBLA34 START 358.077
HIERARCH ESO ISS PBLA34 END 358.412
HIERARCH ESO ISS AMBI TAU0 START 0.001896
HIERARCH ESO ISS AMBI TAU0 END 0.002162
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.74