Exposure
- ID
- GRAVI.2025-02-12T01:22:55.700_2
- Header ID
- GRAVI.2025-02-12T01:22:55.700
- Date updated
- 2025-02-12 01:40:31 UTC+0000
- Release date
- 2026-02-12 01:40:31 UTC+0000
- UTC Start
- 2025-02-12 01:22:55.700
- UTC End
- 2025-02-12 01:29:35.700
- MJD Start
- 60718.05758912
- MJD End
- 60718.06221874963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011268
- Ambient temperature (°C)
- 13.03
- Seeing (arcsec)
- 0.49
Observation
- ID
- 57129
- Category
- science
- Program ID
- 111.24ZN.001
- Program Title
- THE FIRST Z=2 SMBH MASSES WITH GRAVITY-WIDE
- Program Type
- Normal
- PI / COI
- SHIMIZU / SHANGGUAN / DAVIES / STURM / HOENIG / PAUMARD / MILLOUR / DEXTER / EISENHAUER / SANTOS / DE ZEEUW / CAO / FORSTER SCHREIBER / LEFTLEY / LE BOUQUIN
Target
- ID
- 42351
- Name
- UCAC4_482-006773
- RA
- 65.14418749999999
- DEC
- 6.322769722222222
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.1430 | 55.3520 | 35.2000 | 35.3000 |
| U1-U3 | 101.2240 | 101.5090 | 40.1000 | 40.1000 |
| U1-U4 | 128.4640 | 127.8600 | 61.5560 | 61.2170 |
| U2-U3 | 46.5370 | 46.5930 | 46.0000 | 45.9000 |
| U2-U4 | 82.7820 | 81.7520 | 78.7820 | 78.4460 |
| U3-U4 | 50.3730 | 49.3050 | 108.7530 | 108.9810 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24ZN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60718.05758912 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J0420+0619 |
| HIERARCH ESO INS SOBJ NAME | GQC_J0420+0619 |
| RA | 65.146474 |
| DEC | 6.32201 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 55.143 |
| HIERARCH ESO ISS PBL12 END | 55.352 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.3 |
| HIERARCH ESO ISS PBL13 START | 101.224 |
| HIERARCH ESO ISS PBL13 END | 101.509 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 128.464 |
| HIERARCH ESO ISS PBL14 END | 127.86 |
| HIERARCH ESO ISS PBLA14 START | 61.556 |
| HIERARCH ESO ISS PBLA14 END | 61.217 |
| HIERARCH ESO ISS PBL23 START | 46.537 |
| HIERARCH ESO ISS PBL23 END | 46.593 |
| HIERARCH ESO ISS PBLA23 START | 46.0 |
| HIERARCH ESO ISS PBLA23 END | 45.9 |
| HIERARCH ESO ISS PBL24 START | 82.782 |
| HIERARCH ESO ISS PBL24 END | 81.752 |
| HIERARCH ESO ISS PBLA24 START | 78.782 |
| HIERARCH ESO ISS PBLA24 END | 78.446 |
| HIERARCH ESO ISS PBL34 START | 50.373 |
| HIERARCH ESO ISS PBL34 END | 49.305 |
| HIERARCH ESO ISS PBLA34 START | 108.753 |
| HIERARCH ESO ISS PBLA34 END | 108.981 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010336 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0122 |
| HIERARCH ESO ISS AMBI TEMP | 13.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | UCAC4_482-006773 |
| HIERARCH ESO FT ROBJ ALPHA | 042034.605 |
| HIERARCH ESO FT ROBJ DELTA | 061921.971 |