Table 6 D/H ratios and references

1

Local interstellar medium (gas)

0.15 ±0.01

Linsky (1998)

2

ProtoSolar

0.21 ±0.05

Geiss and Gloeckler (1998)

3

Saturn (atmosphere)

0.21 ±0.013

Pierel et al. (2017)

4

Jupiter (atmosphere)

0.295 ±0.055

Pierel et al. (2017)

5

Uranus (atmosphere)

0.44 ±0.04

Feuchtgruber et al. (2013)

6

Neptune (atmosphere)

0.41 ±0.04

Feuchtgruber et al. (2013)

7

Tagish lake-11i

0.164-1.14

Alexander et al. (2012)

8

CV

≤0.820

Alexander et al. (2012)

9

CI

0.643-0.976

Alexander et al. (2012)

10

CM

0.865 ±0.036

Alexander et al. (2012)

11

CO

0.849-1.32

Alexander et al. (2012)

12

CR

1.71\(^{+0.17}_{-0.1}\)

Alexander et al. (2012)

13

O

2.8-3.44

Alexander et al. (2012)

14

R

7.26 ±0.13

McCanta et al. (2008)

15

Earth Bulk

1.49 ±0.03

Lécuyer et al. (1998)

16

Comet 103P/Hartley 2

1.61 ±0.24

Hartogh et al. (2011)

17

Comet 45P/Honda-Mrkos-Pajdušáková

≤2

Lis et al. (2013)

18

Comet 67P/Churymov-Gerasimenko

5.3 ±0.7

Altwegg et al. (2015)

19

Comet C/2009 P1 (Garradd)

2.06 ±0.22

Bockelée-Morvan et al. (2012)

20

Comet 153P/Ikeya-Zhang

≤2.5

Biver et al. (2006)

21

Comet C/2002 T7 (Linear)

2.5 ±0.7

Hutsemékers et al. (2008)

22

Comet C/1996 B2 Hyakutake

2.9 ±0.1

Bockelée-Morvan et al. (1998)

23

Comet C/1995 O1 Hale-Bopp

3.3 ±0.8

Meier et al. (1998)

24

Comet P/Halley

3.16 ±0.34

Eberhardt et al. (1995)

25

Comet 8P/Tuttle

4.09 ±1.45

Villanueva et al. (2009)

26

NGC 1333 IRAS4B (Inner)

5.9 ±1.7

Persson et al. (2014)

27

NGC 1333 IRAS4B (Inner)

1-37

Coutens et al. (2013)

28

NGC 1333 IRAS4A (Inner)

10

Visser et al. (2013)

29

NGC 1333 IRAS4A (Inner)

4-30

Coutens et al. (2013)

29

NGC 1333 IRAS4A (Outer)

≈100

Coutens et al. (2013)

30

NGC 1333 IRAS4A (Inner)

19.1 ±5.4

Persson et al. (2014)

31

NGC 1333 IRAS4A (Inner)

50-300

Taquet et al. (2013)

32

IRAS2A (Inner)

7.4 ±2.1

Persson et al. (2014)

33

IRAS2A (Inner)

≥100

Liu et al. (2011)

33

IRAS2A (Outer)

900-1800

Liu et al. (2011)

34

IRAS2A (Inner)

30-800

Taquet et al. (2013)

35

IRAS 16293-2422 (Inner)

9.2 ±2.6

Persson et al. (2013)

36

IRAS 16293-2422 (Inner)

300

Parise et al. (2005)

36

IRAS 16293-2422 (Outer)

≤20

Parise et al. (2005)

37

IRAS 16293-2422 (Inner)

140-580

Coutens et al. (2012)

37

IRAS 16293-2422 (Outer)

20-220

Coutens et al. (2012)