Exposure
- ID
- GRAVI.2025-02-15T00:56:39.658_2
- Header ID
- GRAVI.2025-02-15T00:56:39.658
- Date updated
- 2025-02-15 01:15:31 UTC+0000
- Release date
- 2026-02-15 01:15:31 UTC+0000
- UTC Start
- 2025-02-15 00:56:39.658
- UTC End
- 2025-02-15 01:03:19.658
- MJD Start
- 60721.03934789
- MJD End
- 60721.04397751963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008374
- Ambient temperature (°C)
- 13.01
- 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 | 54.6540 | 54.8950 | 34.8000 | 35.0000 |
| U1-U3 | 100.5070 | 100.8690 | 40.1000 | 40.1000 |
| U1-U4 | 129.4430 | 129.0260 | 62.1940 | 61.9050 |
| U2-U3 | 46.3480 | 46.4500 | 46.2000 | 46.2000 |
| U2-U4 | 84.7090 | 83.8320 | 79.4420 | 79.1380 |
| U3-U4 | 52.4820 | 51.5010 | 108.3700 | 108.5390 |
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 | 60721.03934789 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J0420+0619 |
| HIERARCH ESO INS SOBJ NAME | GQC_J0420+0619 |
| RA | 65.14637 |
| DEC | 6.32208 |
| 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 | 54.654 |
| HIERARCH ESO ISS PBL12 END | 54.895 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 100.507 |
| HIERARCH ESO ISS PBL13 END | 100.869 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 129.443 |
| HIERARCH ESO ISS PBL14 END | 129.026 |
| HIERARCH ESO ISS PBLA14 START | 62.194 |
| HIERARCH ESO ISS PBLA14 END | 61.905 |
| HIERARCH ESO ISS PBL23 START | 46.348 |
| HIERARCH ESO ISS PBL23 END | 46.45 |
| HIERARCH ESO ISS PBLA23 START | 46.2 |
| HIERARCH ESO ISS PBLA23 END | 46.2 |
| HIERARCH ESO ISS PBL24 START | 84.709 |
| HIERARCH ESO ISS PBL24 END | 83.832 |
| HIERARCH ESO ISS PBLA24 START | 79.442 |
| HIERARCH ESO ISS PBLA24 END | 79.138 |
| HIERARCH ESO ISS PBL34 START | 52.482 |
| HIERARCH ESO ISS PBL34 END | 51.501 |
| HIERARCH ESO ISS PBLA34 START | 108.37 |
| HIERARCH ESO ISS PBLA34 END | 108.539 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007665 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009083 |
| HIERARCH ESO ISS AMBI TEMP | 13.01 |
| 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 |