Exposure
- ID
- GRAVI.2024-05-30T03:09:05.610_2
- Header ID
- GRAVI.2024-05-30T03:09:05.610
- Date updated
- 2024-05-30 03:20:30 UTC+0000
- Release date
- 2025-05-30 03:20:30 UTC+0000
- UTC Start
- 2024-05-30 03:09:05.610
- UTC End
- 2024-05-30 03:15:05.610
- MJD Start
- 60460.13131493
- MJD End
- 60460.1354815967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066805
- Ambient temperature (°C)
- 16.55
- Seeing (arcsec)
- 0.585
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 | 56.2550 | 56.2670 | 4.5000 | 5.4000 |
| U1-U3 | 100.9600 | 101.0340 | 9.6000 | 10.6000 |
| U1-U4 | 117.9770 | 118.7430 | 34.3390 | 35.6510 |
| U2-U3 | 45.2130 | 45.2920 | 16.0000 | 17.1000 |
| U2-U4 | 74.6540 | 75.6540 | 56.3830 | 57.6600 |
| U3-U4 | 49.7490 | 50.6620 | 92.4590 | 93.1890 |
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 | 60460.13131493 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416851 |
| DEC | -29.00733 |
| 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 | 56.255 |
| HIERARCH ESO ISS PBL12 END | 56.267 |
| HIERARCH ESO ISS PBLA12 START | 4.5 |
| HIERARCH ESO ISS PBLA12 END | 5.4 |
| HIERARCH ESO ISS PBL13 START | 100.96 |
| HIERARCH ESO ISS PBL13 END | 101.034 |
| HIERARCH ESO ISS PBLA13 START | 9.6 |
| HIERARCH ESO ISS PBLA13 END | 10.6 |
| HIERARCH ESO ISS PBL14 START | 117.977 |
| HIERARCH ESO ISS PBL14 END | 118.743 |
| HIERARCH ESO ISS PBLA14 START | 34.339 |
| HIERARCH ESO ISS PBLA14 END | 35.651 |
| HIERARCH ESO ISS PBL23 START | 45.213 |
| HIERARCH ESO ISS PBL23 END | 45.292 |
| HIERARCH ESO ISS PBLA23 START | 16.0 |
| HIERARCH ESO ISS PBLA23 END | 17.1 |
| HIERARCH ESO ISS PBL24 START | 74.654 |
| HIERARCH ESO ISS PBL24 END | 75.654 |
| HIERARCH ESO ISS PBLA24 START | 56.383 |
| HIERARCH ESO ISS PBLA24 END | 57.66 |
| HIERARCH ESO ISS PBL34 START | 49.749 |
| HIERARCH ESO ISS PBL34 END | 50.662 |
| HIERARCH ESO ISS PBLA34 START | 92.459 |
| HIERARCH ESO ISS PBLA34 END | 93.189 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006308 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007053 |
| HIERARCH ESO ISS AMBI TEMP | 16.55 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |