Exposure
- ID
- GRAVI.2021-03-30T07:38:56.746_1
- Header ID
- GRAVI.2021-03-30T07:38:56.746
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:56:57 UTC+0000
- UTC Start
- 2021-03-30 07:38:56.746
- UTC End
- 2021-03-30 07:44:16.746
- MJD Start
- 59303.31871234
- MJD End
- 59303.3224160437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027115
- Ambient temperature (°C)
- 13.04
- Seeing (arcsec)
- 1.125
Observation
- ID
- 47340
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35505
- Name
- S2
- RA
- 266.416963
- DEC
- -29.00716
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3250 | 56.3420 | 8.6000 | 9.4000 |
| U1-U3 | 101.3300 | 101.4110 | 14.1000 | 15.0000 |
| U1-U4 | 121.4150 | 122.0760 | 40.0520 | 41.1140 |
| U2-U3 | 45.5890 | 45.6660 | 21.0000 | 21.9000 |
| U2-U4 | 79.0110 | 79.8120 | 61.8700 | 62.8720 |
| U3-U4 | 53.6300 | 54.3180 | 95.6960 | 96.3180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59303.31871234 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416963 |
| DEC | -29.00716 |
| 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 | 56.325 |
| HIERARCH ESO ISS PBL12 END | 56.342 |
| HIERARCH ESO ISS PBLA12 START | 8.6 |
| HIERARCH ESO ISS PBLA12 END | 9.4 |
| HIERARCH ESO ISS PBL13 START | 101.33 |
| HIERARCH ESO ISS PBL13 END | 101.411 |
| HIERARCH ESO ISS PBLA13 START | 14.1 |
| HIERARCH ESO ISS PBLA13 END | 15.0 |
| HIERARCH ESO ISS PBL14 START | 121.415 |
| HIERARCH ESO ISS PBL14 END | 122.076 |
| HIERARCH ESO ISS PBLA14 START | 40.052 |
| HIERARCH ESO ISS PBLA14 END | 41.114 |
| HIERARCH ESO ISS PBL23 START | 45.589 |
| HIERARCH ESO ISS PBL23 END | 45.666 |
| HIERARCH ESO ISS PBLA23 START | 21.0 |
| HIERARCH ESO ISS PBLA23 END | 21.9 |
| HIERARCH ESO ISS PBL24 START | 79.011 |
| HIERARCH ESO ISS PBL24 END | 79.812 |
| HIERARCH ESO ISS PBLA24 START | 61.87 |
| HIERARCH ESO ISS PBLA24 END | 62.872 |
| HIERARCH ESO ISS PBL34 START | 53.63 |
| HIERARCH ESO ISS PBL34 END | 54.318 |
| HIERARCH ESO ISS PBLA34 START | 95.696 |
| HIERARCH ESO ISS PBLA34 END | 96.318 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002762 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002661 |
| HIERARCH ESO ISS AMBI TEMP | 13.04 |
| HIERARCH ESO ISS AMBI FWHM START | 1.04 |
| HIERARCH ESO ISS AMBI FWHM END | 1.21 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |