Exposure
- ID
- GRAVI.2021-03-30T07:45:41.763_2
- Header ID
- GRAVI.2021-03-30T07:45:41.763
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 08:01:41 UTC+0000
- UTC Start
- 2021-03-30 07:45:41.763
- UTC End
- 2021-03-30 07:51:01.763
- MJD Start
- 59303.32340004
- MJD End
- 59303.3271037437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002584
- Ambient temperature (°C)
- 13.11
- Seeing (arcsec)
- 1.285
Observation
- ID
- 47323
- 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
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.3450 | 56.3630 | 9.6000 | 10.4000 |
| U1-U3 | 101.4260 | 101.5090 | 15.2000 | 16.0000 |
| U1-U4 | 122.1900 | 122.8350 | 41.2960 | 42.3300 |
| U2-U3 | 45.6800 | 45.7580 | 22.1000 | 23.0000 |
| U2-U4 | 79.9490 | 80.7200 | 63.0430 | 64.0140 |
| U3-U4 | 54.4350 | 55.0890 | 96.4250 | 97.0410 |
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 | 59303.32340004 |
| 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 | 56.345 |
| HIERARCH ESO ISS PBL12 END | 56.363 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 10.4 |
| HIERARCH ESO ISS PBL13 START | 101.426 |
| HIERARCH ESO ISS PBL13 END | 101.509 |
| HIERARCH ESO ISS PBLA13 START | 15.2 |
| HIERARCH ESO ISS PBLA13 END | 16.0 |
| HIERARCH ESO ISS PBL14 START | 122.19 |
| HIERARCH ESO ISS PBL14 END | 122.835 |
| HIERARCH ESO ISS PBLA14 START | 41.296 |
| HIERARCH ESO ISS PBLA14 END | 42.33 |
| HIERARCH ESO ISS PBL23 START | 45.68 |
| HIERARCH ESO ISS PBL23 END | 45.758 |
| HIERARCH ESO ISS PBLA23 START | 22.1 |
| HIERARCH ESO ISS PBLA23 END | 23.0 |
| HIERARCH ESO ISS PBL24 START | 79.949 |
| HIERARCH ESO ISS PBL24 END | 80.72 |
| HIERARCH ESO ISS PBLA24 START | 63.043 |
| HIERARCH ESO ISS PBLA24 END | 64.014 |
| HIERARCH ESO ISS PBL34 START | 54.435 |
| HIERARCH ESO ISS PBL34 END | 55.089 |
| HIERARCH ESO ISS PBLA34 START | 96.425 |
| HIERARCH ESO ISS PBLA34 END | 97.041 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002661 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002507 |
| HIERARCH ESO ISS AMBI TEMP | 13.11 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |