Exposure
- ID
- GRAVI.2021-03-28T08:01:47.315_2
- Header ID
- GRAVI.2021-03-28T08:01:47.315
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:15:11 UTC+0000
- UTC Start
- 2021-03-28 08:01:47.315
- UTC End
- 2021-03-28 08:07:07.315
- MJD Start
- 59301.3345754
- MJD End
- 59301.3382791037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002999
- Ambient temperature (°C)
- 12.18
- Seeing (arcsec)
- 0.845
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 | 56.3720 | 56.3910 | 10.7000 | 11.5000 |
| U1-U3 | 101.5450 | 101.6280 | 16.4000 | 17.3000 |
| U1-U4 | 123.1100 | 123.7330 | 42.7730 | 43.7760 |
| U2-U3 | 45.7910 | 45.8680 | 23.4000 | 24.3000 |
| U2-U4 | 81.0470 | 81.7810 | 64.4290 | 65.3670 |
| U3-U4 | 55.3650 | 55.9800 | 97.3080 | 97.9200 |
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 | 59301.3345754 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.372 |
| HIERARCH ESO ISS PBL12 END | 56.391 |
| HIERARCH ESO ISS PBLA12 START | 10.7 |
| HIERARCH ESO ISS PBLA12 END | 11.5 |
| HIERARCH ESO ISS PBL13 START | 101.545 |
| HIERARCH ESO ISS PBL13 END | 101.628 |
| HIERARCH ESO ISS PBLA13 START | 16.4 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 123.11 |
| HIERARCH ESO ISS PBL14 END | 123.733 |
| HIERARCH ESO ISS PBLA14 START | 42.773 |
| HIERARCH ESO ISS PBLA14 END | 43.776 |
| HIERARCH ESO ISS PBL23 START | 45.791 |
| HIERARCH ESO ISS PBL23 END | 45.868 |
| HIERARCH ESO ISS PBLA23 START | 23.4 |
| HIERARCH ESO ISS PBLA23 END | 24.3 |
| HIERARCH ESO ISS PBL24 START | 81.047 |
| HIERARCH ESO ISS PBL24 END | 81.781 |
| HIERARCH ESO ISS PBLA24 START | 64.429 |
| HIERARCH ESO ISS PBLA24 END | 65.367 |
| HIERARCH ESO ISS PBL34 START | 55.365 |
| HIERARCH ESO ISS PBL34 END | 55.98 |
| HIERARCH ESO ISS PBLA34 START | 97.308 |
| HIERARCH ESO ISS PBLA34 END | 97.92 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002941 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003057 |
| HIERARCH ESO ISS AMBI TEMP | 12.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.87 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |