Exposure
ID
GRAVI.2025-06-18T06:49:12.313_1
Header ID
GRAVI.2025-06-18T06:49:12.313
Date updated
2025-06-18 07:01:21 UTC+0000
Release date
2025-06-18 06:49:12 UTC+0000
UTC Start
2025-06-18 06:49:12.313
UTC End
2025-06-18 06:51:52.313
MJD Start
60844.28417029
MJD End
60844.28602214185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002065
Ambient temperature (°C)
5.83
Seeing (arcsec)
0.89
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 88.0860 87.8530 119.0000 119.3000
A0-J2 127.0890 126.7880 95.5000 95.6000
A0-K0 127.2160 127.0390 73.8220 73.9840
G1-J2 58.1680 58.1370 58.2000 58.4000
G1-K0 90.2260 90.2670 30.0080 30.2380
J2-K0 47.7160 47.7060 354.7840 355.1110
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 60844.28417029
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 88.086
HIERARCH ESO ISS PBL12 END 87.853
HIERARCH ESO ISS PBLA12 START 119.0
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 127.089
HIERARCH ESO ISS PBL13 END 126.788
HIERARCH ESO ISS PBLA13 START 95.5
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 127.216
HIERARCH ESO ISS PBL14 END 127.039
HIERARCH ESO ISS PBLA14 START 73.822
HIERARCH ESO ISS PBLA14 END 73.984
HIERARCH ESO ISS PBL23 START 58.168
HIERARCH ESO ISS PBL23 END 58.137
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.4
HIERARCH ESO ISS PBL24 START 90.226
HIERARCH ESO ISS PBL24 END 90.267
HIERARCH ESO ISS PBLA24 START 30.008
HIERARCH ESO ISS PBLA24 END 30.238
HIERARCH ESO ISS PBL34 START 47.716
HIERARCH ESO ISS PBL34 END 47.706
HIERARCH ESO ISS PBLA34 START 354.784
HIERARCH ESO ISS PBLA34 END 355.111
HIERARCH ESO ISS AMBI TAU0 START 0.002065
HIERARCH ESO ISS AMBI TAU0 END 0.002065
HIERARCH ESO ISS AMBI TEMP 5.83
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89