Exposure
- ID
- GRAVI.2021-03-31T06:58:09.561_2
- Header ID
- GRAVI.2021-03-31T06:58:09.561
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 07:10:14 UTC+0000
- UTC Start
- 2021-03-31 06:58:09.561
- UTC End
- 2021-03-31 06:59:49.561
- MJD Start
- 59304.29038844
- MJD End
- 59304.2915458474
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065685
- Ambient temperature (°C)
- 10.86
- Seeing (arcsec)
- 0.365
Observation
- ID
- 47350
- 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
- 35512
- Name
- IRS16C
- RA
- 266.417115
- DEC
- -29.0076495
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 | 56.2430 | 56.2460 | 3.4000 | 3.7000 |
| U1-U3 | 100.8780 | 100.9010 | 8.4000 | 8.7000 |
| U1-U4 | 117.0590 | 117.3310 | 32.7270 | 33.2110 |
| U2-U3 | 45.1210 | 45.1480 | 14.6000 | 15.1000 |
| U2-U4 | 73.4290 | 73.7960 | 54.7970 | 55.2760 |
| U3-U4 | 48.6120 | 48.9550 | 91.5690 | 91.8360 |
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 | 59304.29038844 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.417031 |
| DEC | -29.00713 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.243 |
| HIERARCH ESO ISS PBL12 END | 56.246 |
| HIERARCH ESO ISS PBLA12 START | 3.4 |
| HIERARCH ESO ISS PBLA12 END | 3.7 |
| HIERARCH ESO ISS PBL13 START | 100.878 |
| HIERARCH ESO ISS PBL13 END | 100.901 |
| HIERARCH ESO ISS PBLA13 START | 8.4 |
| HIERARCH ESO ISS PBLA13 END | 8.7 |
| HIERARCH ESO ISS PBL14 START | 117.059 |
| HIERARCH ESO ISS PBL14 END | 117.331 |
| HIERARCH ESO ISS PBLA14 START | 32.727 |
| HIERARCH ESO ISS PBLA14 END | 33.211 |
| HIERARCH ESO ISS PBL23 START | 45.121 |
| HIERARCH ESO ISS PBL23 END | 45.148 |
| HIERARCH ESO ISS PBLA23 START | 14.6 |
| HIERARCH ESO ISS PBLA23 END | 15.1 |
| HIERARCH ESO ISS PBL24 START | 73.429 |
| HIERARCH ESO ISS PBL24 END | 73.796 |
| HIERARCH ESO ISS PBLA24 START | 54.797 |
| HIERARCH ESO ISS PBLA24 END | 55.276 |
| HIERARCH ESO ISS PBL34 START | 48.612 |
| HIERARCH ESO ISS PBL34 END | 48.955 |
| HIERARCH ESO ISS PBLA34 START | 91.569 |
| HIERARCH ESO ISS PBLA34 END | 91.836 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007005 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006132 |
| HIERARCH ESO ISS AMBI TEMP | 10.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1076 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5382 |