Exposure
ID
GRAVI.2025-09-21T01:15:00.414_1
Header ID
GRAVI.2025-09-21T01:15:00.414
Date updated
2025-09-21 01:25:51 UTC+0000
Release date
2025-09-21 01:15:00 UTC+0000
UTC Start
2025-09-21 01:15:00.414
UTC End
2025-09-21 01:17:40.414
MJD Start
60939.05208813
MJD End
60939.05393998186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001982
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.855
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 84.2290 83.8760 123.0000 123.3000
A0-J2 121.4990 120.9420 98.2000 98.5000
A0-K0 123.3430 122.9180 75.8170 75.9540
G1-J2 57.1960 57.0730 60.1000 60.3000
G1-K0 90.4780 90.4690 32.7460 32.9240
J2-K0 47.6310 47.6300 359.1990 359.5360
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 60939.05208813
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 84.229
HIERARCH ESO ISS PBL12 END 83.876
HIERARCH ESO ISS PBLA12 START 123.0
HIERARCH ESO ISS PBLA12 END 123.3
HIERARCH ESO ISS PBL13 START 121.499
HIERARCH ESO ISS PBL13 END 120.942
HIERARCH ESO ISS PBLA13 START 98.2
HIERARCH ESO ISS PBLA13 END 98.5
HIERARCH ESO ISS PBL14 START 123.343
HIERARCH ESO ISS PBL14 END 122.918
HIERARCH ESO ISS PBLA14 START 75.817
HIERARCH ESO ISS PBLA14 END 75.954
HIERARCH ESO ISS PBL23 START 57.196
HIERARCH ESO ISS PBL23 END 57.073
HIERARCH ESO ISS PBLA23 START 60.1
HIERARCH ESO ISS PBLA23 END 60.3
HIERARCH ESO ISS PBL24 START 90.478
HIERARCH ESO ISS PBL24 END 90.469
HIERARCH ESO ISS PBLA24 START 32.746
HIERARCH ESO ISS PBLA24 END 32.924
HIERARCH ESO ISS PBL34 START 47.631
HIERARCH ESO ISS PBL34 END 47.63
HIERARCH ESO ISS PBLA34 START 359.199
HIERARCH ESO ISS PBLA34 END 359.536
HIERARCH ESO ISS AMBI TAU0 START 0.001982
HIERARCH ESO ISS AMBI TAU0 END 0.001982
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.82