Exposure
- ID
- GRAVI.2025-02-12T01:08:25.663_2
- Header ID
- GRAVI.2025-02-12T01:08:25.663
- Date updated
- 2025-02-12 01:25:32 UTC+0000
- Release date
- 2026-02-12 01:25:32 UTC+0000
- UTC Start
- 2025-02-12 01:08:25.663
- UTC End
- 2025-02-12 01:15:05.663
- MJD Start
- 60718.04751925
- MJD End
- 60718.05214887963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012324499999999999
- Ambient temperature (°C)
- 12.8
- Seeing (arcsec)
- 0.51
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 | 54.6520 | 54.8940 | 34.8000 | 35.0000 |
| U1-U3 | 100.5040 | 100.8670 | 40.1000 | 40.1000 |
| U1-U4 | 129.4460 | 129.0280 | 62.1930 | 61.9020 |
| U2-U3 | 46.3470 | 46.4490 | 46.2000 | 46.2000 |
| U2-U4 | 84.7160 | 83.8360 | 79.4400 | 79.1350 |
| U3-U4 | 52.4900 | 51.5050 | 108.3650 | 108.5350 |
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 | 60718.04751925 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J0420+0619 |
| HIERARCH ESO INS SOBJ NAME | GQC_J0420+0619 |
| RA | 65.146455 |
| DEC | 6.32199 |
| 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 | 54.652 |
| HIERARCH ESO ISS PBL12 END | 54.894 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 100.504 |
| HIERARCH ESO ISS PBL13 END | 100.867 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 129.446 |
| HIERARCH ESO ISS PBL14 END | 129.028 |
| HIERARCH ESO ISS PBLA14 START | 62.193 |
| HIERARCH ESO ISS PBLA14 END | 61.902 |
| HIERARCH ESO ISS PBL23 START | 46.347 |
| HIERARCH ESO ISS PBL23 END | 46.449 |
| HIERARCH ESO ISS PBLA23 START | 46.2 |
| HIERARCH ESO ISS PBLA23 END | 46.2 |
| HIERARCH ESO ISS PBL24 START | 84.716 |
| HIERARCH ESO ISS PBL24 END | 83.836 |
| HIERARCH ESO ISS PBLA24 START | 79.44 |
| HIERARCH ESO ISS PBLA24 END | 79.135 |
| HIERARCH ESO ISS PBL34 START | 52.49 |
| HIERARCH ESO ISS PBL34 END | 51.505 |
| HIERARCH ESO ISS PBLA34 START | 108.365 |
| HIERARCH ESO ISS PBLA34 END | 108.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013434 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011215 |
| HIERARCH ESO ISS AMBI TEMP | 12.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | UCAC4_482-006773 |
| HIERARCH ESO FT ROBJ ALPHA | 042034.605 |
| HIERARCH ESO FT ROBJ DELTA | 061921.971 |