Exposure
ID
GRAVI.2025-05-26T06:46:37.871_1
Header ID
GRAVI.2025-05-26T06:46:37.871
Date updated
2025-05-26 06:56:03 UTC+0000
Release date
2025-05-26 06:46:37 UTC+0000
UTC Start
2025-05-26 06:46:37.871
UTC End
2025-05-26 06:49:17.871
MJD Start
60821.28238277
MJD End
60821.28423462185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041080000000000005
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.5800000000000001
Observation
ID
67590
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
50266
Name
HD_174328
RA
282.627562
DEC
-13.5723
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 90.4580 90.4870 113.7000 113.9000
A0-J2 128.3070 128.4920 91.0000 91.2000
A0-K0 125.8100 126.0780 69.2520 69.4720
G1-J2 56.8810 57.0040 53.1000 53.3000
G1-K0 88.1390 88.2410 23.2790 23.6060
J2-K0 47.9860 47.9630 347.1910 347.4840
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 60821.28238277
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 174328
HIERARCH ESO INS SOBJ NAME HD_174328
RA 282.627562
DEC -13.5723
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 90.458
HIERARCH ESO ISS PBL12 END 90.487
HIERARCH ESO ISS PBLA12 START 113.7
HIERARCH ESO ISS PBLA12 END 113.9
HIERARCH ESO ISS PBL13 START 128.307
HIERARCH ESO ISS PBL13 END 128.492
HIERARCH ESO ISS PBLA13 START 91.0
HIERARCH ESO ISS PBLA13 END 91.2
HIERARCH ESO ISS PBL14 START 125.81
HIERARCH ESO ISS PBL14 END 126.078
HIERARCH ESO ISS PBLA14 START 69.252
HIERARCH ESO ISS PBLA14 END 69.472
HIERARCH ESO ISS PBL23 START 56.881
HIERARCH ESO ISS PBL23 END 57.004
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.3
HIERARCH ESO ISS PBL24 START 88.139
HIERARCH ESO ISS PBL24 END 88.241
HIERARCH ESO ISS PBLA24 START 23.279
HIERARCH ESO ISS PBLA24 END 23.606
HIERARCH ESO ISS PBL34 START 47.986
HIERARCH ESO ISS PBL34 END 47.963
HIERARCH ESO ISS PBLA34 START 347.191
HIERARCH ESO ISS PBLA34 END 347.484
HIERARCH ESO ISS AMBI TAU0 START 0.004143
HIERARCH ESO ISS AMBI TAU0 END 0.004073
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.6