Exposure
- ID
- GRAVI.2021-03-28T07:36:20.250_2
- Header ID
- GRAVI.2021-03-28T07:36:20.250
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 07:50:13 UTC+0000
- UTC Start
- 2021-03-28 07:36:20.250
- UTC End
- 2021-03-28 07:41:40.250
- MJD Start
- 59301.31690104
- MJD End
- 59301.3206047437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003388
- Ambient temperature (°C)
- 12.34
- Seeing (arcsec)
- 0.87
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 | 56.2960 | 56.3110 | 7.2000 | 8.0000 |
| U1-U3 | 101.1870 | 101.2640 | 12.5000 | 13.4000 |
| U1-U4 | 120.1940 | 120.8650 | 38.0700 | 39.1630 |
| U2-U3 | 45.4490 | 45.5250 | 19.2000 | 20.2000 |
| U2-U4 | 77.5010 | 78.3350 | 59.9870 | 61.0280 |
| U3-U4 | 52.3140 | 53.0440 | 94.5550 | 95.1810 |
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 | 59301.31690104 |
| 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 | 56.296 |
| HIERARCH ESO ISS PBL12 END | 56.311 |
| HIERARCH ESO ISS PBLA12 START | 7.2 |
| HIERARCH ESO ISS PBLA12 END | 8.0 |
| HIERARCH ESO ISS PBL13 START | 101.187 |
| HIERARCH ESO ISS PBL13 END | 101.264 |
| HIERARCH ESO ISS PBLA13 START | 12.5 |
| HIERARCH ESO ISS PBLA13 END | 13.4 |
| HIERARCH ESO ISS PBL14 START | 120.194 |
| HIERARCH ESO ISS PBL14 END | 120.865 |
| HIERARCH ESO ISS PBLA14 START | 38.07 |
| HIERARCH ESO ISS PBLA14 END | 39.163 |
| HIERARCH ESO ISS PBL23 START | 45.449 |
| HIERARCH ESO ISS PBL23 END | 45.525 |
| HIERARCH ESO ISS PBLA23 START | 19.2 |
| HIERARCH ESO ISS PBLA23 END | 20.2 |
| HIERARCH ESO ISS PBL24 START | 77.501 |
| HIERARCH ESO ISS PBL24 END | 78.335 |
| HIERARCH ESO ISS PBLA24 START | 59.987 |
| HIERARCH ESO ISS PBLA24 END | 61.028 |
| HIERARCH ESO ISS PBL34 START | 52.314 |
| HIERARCH ESO ISS PBL34 END | 53.044 |
| HIERARCH ESO ISS PBLA34 START | 94.555 |
| HIERARCH ESO ISS PBLA34 END | 95.181 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003567 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003209 |
| HIERARCH ESO ISS AMBI TEMP | 12.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |