Exposure
- ID
- GRAVI.2021-05-30T05:52:38.390_1
- Header ID
- GRAVI.2021-05-30T05:52:38.390
- Date updated
- 2021-05-30 06:10:32 UTC+0000
- Release date
- 2022-05-30 06:10:32 UTC+0000
- UTC Start
- 2021-05-30 05:52:38.390
- UTC End
- 2021-05-30 05:57:58.390
- MJD Start
- 59364.24488877
- MJD End
- 59364.2485924737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006316
- Ambient temperature (°C)
- 9.77
- Seeing (arcsec)
- 0.75
Observation
- ID
- 47490
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35621
- Name
- S2
- RA
- 266.41672
- DEC
- -29.00717
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4520 | 56.4160 | 25.7000 | 26.3000 |
| U1-U3 | 102.2730 | 102.1980 | 32.0000 | 32.6000 |
| U1-U4 | 130.1720 | 130.0890 | 60.0100 | 60.6870 |
| U2-U3 | 46.5860 | 46.5500 | 39.7000 | 40.3000 |
| U2-U4 | 89.4280 | 89.4150 | 80.8740 | 81.5710 |
| U3-U4 | 62.4160 | 62.4570 | 110.3050 | 110.9890 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.24488877 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.452 |
| HIERARCH ESO ISS PBL12 END | 56.416 |
| HIERARCH ESO ISS PBLA12 START | 25.7 |
| HIERARCH ESO ISS PBLA12 END | 26.3 |
| HIERARCH ESO ISS PBL13 START | 102.273 |
| HIERARCH ESO ISS PBL13 END | 102.198 |
| HIERARCH ESO ISS PBLA13 START | 32.0 |
| HIERARCH ESO ISS PBLA13 END | 32.6 |
| HIERARCH ESO ISS PBL14 START | 130.172 |
| HIERARCH ESO ISS PBL14 END | 130.089 |
| HIERARCH ESO ISS PBLA14 START | 60.01 |
| HIERARCH ESO ISS PBLA14 END | 60.687 |
| HIERARCH ESO ISS PBL23 START | 46.586 |
| HIERARCH ESO ISS PBL23 END | 46.55 |
| HIERARCH ESO ISS PBLA23 START | 39.7 |
| HIERARCH ESO ISS PBLA23 END | 40.3 |
| HIERARCH ESO ISS PBL24 START | 89.428 |
| HIERARCH ESO ISS PBL24 END | 89.415 |
| HIERARCH ESO ISS PBLA24 START | 80.874 |
| HIERARCH ESO ISS PBLA24 END | 81.571 |
| HIERARCH ESO ISS PBL34 START | 62.416 |
| HIERARCH ESO ISS PBL34 END | 62.457 |
| HIERARCH ESO ISS PBLA34 START | 110.305 |
| HIERARCH ESO ISS PBLA34 END | 110.989 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00708 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005552 |
| HIERARCH ESO ISS AMBI TEMP | 9.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.84 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |