Exposure
- ID
- GRAVI.2024-05-30T04:06:14.755_2
- Header ID
- GRAVI.2024-05-30T04:06:14.755
- Date updated
- 2024-05-30 04:20:27 UTC+0000
- Release date
- 2025-05-30 04:20:27 UTC+0000
- UTC Start
- 2024-05-30 04:06:14.755
- UTC End
- 2024-05-30 04:12:14.755
- MJD Start
- 60460.17100411
- MJD End
- 60460.1751707767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070785
- Ambient temperature (°C)
- 16.0
- Seeing (arcsec)
- 0.615
Observation
- ID
- 59446
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 56.4150 | 56.4370 | 12.5000 | 13.4000 |
| U1-U3 | 101.7350 | 101.8270 | 18.3000 | 19.3000 |
| U1-U4 | 124.5070 | 125.1580 | 45.0310 | 46.1080 |
| U2-U3 | 45.9650 | 46.0480 | 25.5000 | 26.5000 |
| U2-U4 | 82.6810 | 83.4330 | 66.5370 | 67.5400 |
| U3-U4 | 56.7270 | 57.3470 | 98.6990 | 99.3830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.17100411 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.415 |
| HIERARCH ESO ISS PBL12 END | 56.437 |
| HIERARCH ESO ISS PBLA12 START | 12.5 |
| HIERARCH ESO ISS PBLA12 END | 13.4 |
| HIERARCH ESO ISS PBL13 START | 101.735 |
| HIERARCH ESO ISS PBL13 END | 101.827 |
| HIERARCH ESO ISS PBLA13 START | 18.3 |
| HIERARCH ESO ISS PBLA13 END | 19.3 |
| HIERARCH ESO ISS PBL14 START | 124.507 |
| HIERARCH ESO ISS PBL14 END | 125.158 |
| HIERARCH ESO ISS PBLA14 START | 45.031 |
| HIERARCH ESO ISS PBLA14 END | 46.108 |
| HIERARCH ESO ISS PBL23 START | 45.965 |
| HIERARCH ESO ISS PBL23 END | 46.048 |
| HIERARCH ESO ISS PBLA23 START | 25.5 |
| HIERARCH ESO ISS PBLA23 END | 26.5 |
| HIERARCH ESO ISS PBL24 START | 82.681 |
| HIERARCH ESO ISS PBL24 END | 83.433 |
| HIERARCH ESO ISS PBLA24 START | 66.537 |
| HIERARCH ESO ISS PBLA24 END | 67.54 |
| HIERARCH ESO ISS PBL34 START | 56.727 |
| HIERARCH ESO ISS PBL34 END | 57.347 |
| HIERARCH ESO ISS PBLA34 START | 98.699 |
| HIERARCH ESO ISS PBLA34 END | 99.383 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007894 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006263 |
| HIERARCH ESO ISS AMBI TEMP | 16.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |