Exposure
- ID
- GRAVI.2021-03-29T07:03:19.084_2
- Header ID
- GRAVI.2021-03-29T07:03:19.084
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 07:15:17 UTC+0000
- UTC Start
- 2021-03-29 07:03:19.084
- UTC End
- 2021-03-29 07:04:59.084
- MJD Start
- 59302.29397088
- MJD End
- 59302.2951282874
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00598
- Ambient temperature (°C)
- 11.82
- Seeing (arcsec)
- 0.41
Observation
- ID
- 47319
- 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
- 35485
- Name
- IRS16C
- RA
- 266.417115
- DEC
- -29.0076495277778
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 | 56.2390 | 56.2420 | 3.0000 | 3.3000 |
| U1-U3 | 100.8520 | 100.8740 | 7.9000 | 8.3000 |
| U1-U4 | 116.7370 | 117.0080 | 32.1460 | 32.6350 |
| U2-U3 | 45.0910 | 45.1160 | 14.2000 | 14.6000 |
| U2-U4 | 72.9920 | 73.3600 | 54.2210 | 54.7060 |
| U3-U4 | 48.1990 | 48.5470 | 91.2480 | 91.5180 |
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 | 59302.29397088 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.239 |
| HIERARCH ESO ISS PBL12 END | 56.242 |
| HIERARCH ESO ISS PBLA12 START | 3.0 |
| HIERARCH ESO ISS PBLA12 END | 3.3 |
| HIERARCH ESO ISS PBL13 START | 100.852 |
| HIERARCH ESO ISS PBL13 END | 100.874 |
| HIERARCH ESO ISS PBLA13 START | 7.9 |
| HIERARCH ESO ISS PBLA13 END | 8.3 |
| HIERARCH ESO ISS PBL14 START | 116.737 |
| HIERARCH ESO ISS PBL14 END | 117.008 |
| HIERARCH ESO ISS PBLA14 START | 32.146 |
| HIERARCH ESO ISS PBLA14 END | 32.635 |
| HIERARCH ESO ISS PBL23 START | 45.091 |
| HIERARCH ESO ISS PBL23 END | 45.116 |
| HIERARCH ESO ISS PBLA23 START | 14.2 |
| HIERARCH ESO ISS PBLA23 END | 14.6 |
| HIERARCH ESO ISS PBL24 START | 72.992 |
| HIERARCH ESO ISS PBL24 END | 73.36 |
| HIERARCH ESO ISS PBLA24 START | 54.221 |
| HIERARCH ESO ISS PBLA24 END | 54.706 |
| HIERARCH ESO ISS PBL34 START | 48.199 |
| HIERARCH ESO ISS PBL34 END | 48.547 |
| HIERARCH ESO ISS PBLA34 START | 91.248 |
| HIERARCH ESO ISS PBLA34 END | 91.518 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006546 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005414 |
| HIERARCH ESO ISS AMBI TEMP | 11.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1076 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5383 |