Exposure
ID
GRAVI.2025-02-22T01:14:16.477_1
Header ID
GRAVI.2025-02-22T01:14:16.477
Date updated
2025-02-22 01:25:42 UTC+0000
Release date
2026-02-22 01:25:42 UTC+0000
UTC Start
2025-02-22 01:14:16.477
UTC End
2025-02-22 01:16:56.477
MJD Start
60728.0515796
MJD End
60728.05343145186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.014032
Ambient temperature (°C)
15.88
Seeing (arcsec)
0.895
Observation
ID
64761
Category
science
Program ID
114.274C.001
Program Title
A NON-INTERACTING BLACK HOLE HIDING AROUND ONE OF THE BRIGHTEST STARS IN THE SKY?
Program Type
Normal
PI / COI
THOMPSON / KRAUS / ROWAN
Target
ID
48224
Name
Kap_Vel
RA
140.526354
DEC
-55.0106
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 36.0240 36.2200 125.8000 126.2000
A0-J2 118.5860 118.9070 57.6000 58.3000
A0-J6 159.3150 159.2700 5.6240 6.0780
B5-J2 110.4220 110.5110 39.9000 40.6000
B5-J6 180.1430 180.1920 355.6720 356.0680
J2-J6 127.1090 127.6470 318.3460 318.6820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.274C.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60728.0515796
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME kap Vel
HIERARCH ESO INS SOBJ NAME Kap_Vel
RA 140.526354
DEC -55.0106
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 36.024
HIERARCH ESO ISS PBL12 END 36.22
HIERARCH ESO ISS PBLA12 START 125.8
HIERARCH ESO ISS PBLA12 END 126.2
HIERARCH ESO ISS PBL13 START 118.586
HIERARCH ESO ISS PBL13 END 118.907
HIERARCH ESO ISS PBLA13 START 57.6
HIERARCH ESO ISS PBLA13 END 58.3
HIERARCH ESO ISS PBL14 START 159.315
HIERARCH ESO ISS PBL14 END 159.27
HIERARCH ESO ISS PBLA14 START 5.624
HIERARCH ESO ISS PBLA14 END 6.078
HIERARCH ESO ISS PBL23 START 110.422
HIERARCH ESO ISS PBL23 END 110.511
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 40.6
HIERARCH ESO ISS PBL24 START 180.143
HIERARCH ESO ISS PBL24 END 180.192
HIERARCH ESO ISS PBLA24 START 355.672
HIERARCH ESO ISS PBLA24 END 356.068
HIERARCH ESO ISS PBL34 START 127.109
HIERARCH ESO ISS PBL34 END 127.647
HIERARCH ESO ISS PBLA34 START 318.346
HIERARCH ESO ISS PBLA34 END 318.682
HIERARCH ESO ISS AMBI TAU0 START 0.012707
HIERARCH ESO ISS AMBI TAU0 END 0.015357
HIERARCH ESO ISS AMBI TEMP 15.88
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.86