Exposure
- ID
- GRAVI.2025-02-12T01:53:58.779_2
- Header ID
- GRAVI.2025-02-12T01:53:58.779
- Date updated
- 2025-02-12 02:10:27 UTC+0000
- Release date
- 2026-02-12 02:10:27 UTC+0000
- UTC Start
- 2025-02-12 01:53:58.779
- UTC End
- 2025-02-12 02:00:38.779
- MJD Start
- 60718.07915253
- MJD End
- 60718.08378215963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.013122
- Ambient temperature (°C)
- 13.04
- Seeing (arcsec)
- 0.575
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 | 55.9570 | 56.0910 | 35.5000 | 35.5000 |
| U1-U3 | 102.2050 | 102.3180 | 39.9000 | 39.8000 |
| U1-U4 | 125.0760 | 124.0980 | 59.8320 | 59.3770 |
| U2-U3 | 46.6200 | 46.5800 | 45.3000 | 45.0000 |
| U2-U4 | 77.6060 | 76.2750 | 77.1290 | 76.7070 |
| U3-U4 | 45.2700 | 44.0410 | 110.0400 | 110.4290 |
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 | 60718.07915253 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J0420+0619 |
| HIERARCH ESO INS SOBJ NAME | GQC_J0420+0619 |
| RA | 65.146471 |
| DEC | 6.322 |
| 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 | 55.957 |
| HIERARCH ESO ISS PBL12 END | 56.091 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 102.205 |
| HIERARCH ESO ISS PBL13 END | 102.318 |
| HIERARCH ESO ISS PBLA13 START | 39.9 |
| HIERARCH ESO ISS PBLA13 END | 39.8 |
| HIERARCH ESO ISS PBL14 START | 125.076 |
| HIERARCH ESO ISS PBL14 END | 124.098 |
| HIERARCH ESO ISS PBLA14 START | 59.832 |
| HIERARCH ESO ISS PBLA14 END | 59.377 |
| HIERARCH ESO ISS PBL23 START | 46.62 |
| HIERARCH ESO ISS PBL23 END | 46.58 |
| HIERARCH ESO ISS PBLA23 START | 45.3 |
| HIERARCH ESO ISS PBLA23 END | 45.0 |
| HIERARCH ESO ISS PBL24 START | 77.606 |
| HIERARCH ESO ISS PBL24 END | 76.275 |
| HIERARCH ESO ISS PBLA24 START | 77.129 |
| HIERARCH ESO ISS PBLA24 END | 76.707 |
| HIERARCH ESO ISS PBL34 START | 45.27 |
| HIERARCH ESO ISS PBL34 END | 44.041 |
| HIERARCH ESO ISS PBLA34 START | 110.04 |
| HIERARCH ESO ISS PBLA34 END | 110.429 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.014105 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012139 |
| HIERARCH ESO ISS AMBI TEMP | 13.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | UCAC4_482-006773 |
| HIERARCH ESO FT ROBJ ALPHA | 042034.605 |
| HIERARCH ESO FT ROBJ DELTA | 061921.971 |