Exposure
- ID
- GRAVI.2021-03-29T07:29:46.150_2
- Header ID
- GRAVI.2021-03-29T07:29:46.150
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 07:42:24 UTC+0000
- UTC Start
- 2021-03-29 07:29:46.150
- UTC End
- 2021-03-29 07:35:06.150
- MJD Start
- 59302.3123397
- MJD End
- 59302.3160434037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058615
- Ambient temperature (°C)
- 11.9
- Seeing (arcsec)
- 0.475
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 | 56.2890 | 56.3040 | 6.8000 | 7.6000 |
| U1-U3 | 101.1520 | 101.2280 | 12.1000 | 13.0000 |
| U1-U4 | 119.8790 | 120.5560 | 37.5510 | 38.6600 |
| U2-U3 | 45.4140 | 45.4900 | 18.8000 | 19.7000 |
| U2-U4 | 77.1050 | 77.9520 | 59.4920 | 60.5500 |
| U3-U4 | 51.9640 | 52.7100 | 94.2600 | 94.8920 |
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 | 59302.3123397 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416971 |
| 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 | 56.289 |
| HIERARCH ESO ISS PBL12 END | 56.304 |
| HIERARCH ESO ISS PBLA12 START | 6.8 |
| HIERARCH ESO ISS PBLA12 END | 7.6 |
| HIERARCH ESO ISS PBL13 START | 101.152 |
| HIERARCH ESO ISS PBL13 END | 101.228 |
| HIERARCH ESO ISS PBLA13 START | 12.1 |
| HIERARCH ESO ISS PBLA13 END | 13.0 |
| HIERARCH ESO ISS PBL14 START | 119.879 |
| HIERARCH ESO ISS PBL14 END | 120.556 |
| HIERARCH ESO ISS PBLA14 START | 37.551 |
| HIERARCH ESO ISS PBLA14 END | 38.66 |
| HIERARCH ESO ISS PBL23 START | 45.414 |
| HIERARCH ESO ISS PBL23 END | 45.49 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.7 |
| HIERARCH ESO ISS PBL24 START | 77.105 |
| HIERARCH ESO ISS PBL24 END | 77.952 |
| HIERARCH ESO ISS PBLA24 START | 59.492 |
| HIERARCH ESO ISS PBLA24 END | 60.55 |
| HIERARCH ESO ISS PBL34 START | 51.964 |
| HIERARCH ESO ISS PBL34 END | 52.71 |
| HIERARCH ESO ISS PBLA34 START | 94.26 |
| HIERARCH ESO ISS PBLA34 END | 94.892 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005355 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006368 |
| HIERARCH ESO ISS AMBI TEMP | 11.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |