Exposure
ID
GRAVI.2025-06-18T05:26:00.102_1
Header ID
GRAVI.2025-06-18T05:26:00.102
Date updated
2025-06-18 05:35:53 UTC+0000
Release date
2025-06-18 05:26:00 UTC+0000
UTC Start
2025-06-18 05:26:00.102
UTC End
2025-06-18 05:28:40.102
MJD Start
60844.22639007
MJD End
60844.22824192185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001915
Ambient temperature (°C)
6.29
Seeing (arcsec)
1.005
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 90.1800 90.2630 113.0000 113.2000
A0-J2 127.3930 127.6540 90.2000 90.3000
A0-K0 124.7910 125.1120 68.1510 68.3960
G1-J2 56.5080 56.6430 51.8000 52.1000
G1-K0 88.0840 88.1800 21.8880 22.2280
J2-K0 48.1930 48.1730 346.1130 346.3960
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 60844.22639007
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 90.18
HIERARCH ESO ISS PBL12 END 90.263
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 127.393
HIERARCH ESO ISS PBL13 END 127.654
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 124.791
HIERARCH ESO ISS PBL14 END 125.112
HIERARCH ESO ISS PBLA14 START 68.151
HIERARCH ESO ISS PBLA14 END 68.396
HIERARCH ESO ISS PBL23 START 56.508
HIERARCH ESO ISS PBL23 END 56.643
HIERARCH ESO ISS PBLA23 START 51.8
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 88.084
HIERARCH ESO ISS PBL24 END 88.18
HIERARCH ESO ISS PBLA24 START 21.888
HIERARCH ESO ISS PBLA24 END 22.228
HIERARCH ESO ISS PBL34 START 48.193
HIERARCH ESO ISS PBL34 END 48.173
HIERARCH ESO ISS PBLA34 START 346.113
HIERARCH ESO ISS PBLA34 END 346.396
HIERARCH ESO ISS AMBI TAU0 START 0.001931
HIERARCH ESO ISS AMBI TAU0 END 0.001899
HIERARCH ESO ISS AMBI TEMP 6.29
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.05