Exposure
- ID
- GRAVI.2025-02-12T01:37:34.737_2
- Header ID
- GRAVI.2025-02-12T01:37:34.737
- Date updated
- 2025-02-12 01:50:30 UTC+0000
- Release date
- 2026-02-12 01:50:30 UTC+0000
- UTC Start
- 2025-02-12 01:37:34.737
- UTC End
- 2025-02-12 01:44:14.737
- MJD Start
- 60718.06776316
- MJD End
- 60718.072392789625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0108755
- Ambient temperature (°C)
- 13.26
- 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 | 55.5680 | 55.7430 | 35.4000 | 35.4000 |
| U1-U3 | 101.7840 | 101.9870 | 40.1000 | 40.0000 |
| U1-U4 | 127.0770 | 126.2920 | 60.8060 | 60.4150 |
| U2-U3 | 46.6310 | 46.6410 | 45.7000 | 45.6000 |
| U2-U4 | 80.5090 | 79.3330 | 78.0480 | 77.6750 |
| U3-U4 | 48.0560 | 46.9080 | 109.2740 | 109.5710 |
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 | 60718.06776316 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J0420+0619 |
| HIERARCH ESO INS SOBJ NAME | GQC_J0420+0619 |
| RA | 65.146477 |
| DEC | 6.32202 |
| 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 | 55.568 |
| HIERARCH ESO ISS PBL12 END | 55.743 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.4 |
| HIERARCH ESO ISS PBL13 START | 101.784 |
| HIERARCH ESO ISS PBL13 END | 101.987 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 127.077 |
| HIERARCH ESO ISS PBL14 END | 126.292 |
| HIERARCH ESO ISS PBLA14 START | 60.806 |
| HIERARCH ESO ISS PBLA14 END | 60.415 |
| HIERARCH ESO ISS PBL23 START | 46.631 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 80.509 |
| HIERARCH ESO ISS PBL24 END | 79.333 |
| HIERARCH ESO ISS PBLA24 START | 78.048 |
| HIERARCH ESO ISS PBLA24 END | 77.675 |
| HIERARCH ESO ISS PBL34 START | 48.056 |
| HIERARCH ESO ISS PBL34 END | 46.908 |
| HIERARCH ESO ISS PBLA34 START | 109.274 |
| HIERARCH ESO ISS PBLA34 END | 109.571 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010505 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011246 |
| HIERARCH ESO ISS AMBI TEMP | 13.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | UCAC4_482-006773 |
| HIERARCH ESO FT ROBJ ALPHA | 042034.605 |
| HIERARCH ESO FT ROBJ DELTA | 061921.971 |